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CBC

The Canadian Broadcasting Corporation (CBC), operating as CBC/Radio-Canada, is Canada's national public broadcaster and a established in 1936 by the Canadian Parliament through the Broadcasting Act to deliver radio, television, and digital programming in English and French. It serves as one of the country's largest cultural institutions, with a statutory mandate to inform, enlighten, and entertain while offering content that reflects Canada's regional, linguistic, and across platforms including news, sports, documentaries, and arts. Primarily funded by parliamentary appropriations totaling approximately $1.44 billion in the ending March 2024, supplemented by and subscription revenues, CBC/Radio-Canada maintains operational as a reporting to Parliament via the , though its budget remains subject to annual government allocations and scrutiny. The organization has achieved notable milestones in fostering national unity through extensive coverage of events like elections and emergencies, pioneering bilingual , and producing award-winning content that promotes amid competition from private media. However, CBC/Radio-Canada has encountered persistent controversies, including allegations of left-center in news reporting—evidenced by disproportionate coverage favoring liberal perspectives and selective framing of conservative viewpoints—as rated by evaluators, alongside criticisms of fiscal inefficiency, low audience share relative to funding, and failure to adapt to shifts despite support exceeding $1 billion annually. These issues have fueled debates over the broadcaster's value, with calls for or defunding from fiscal conservatives questioning whether its public mandate justifies ongoing subsidies in an era of abundant private alternatives.

Media

Canadian Broadcasting Corporation

The (CBC), also known as CBC/Radio-Canada in its bilingual operations, is a serving as 's national public broadcaster. Established on November 2, 1936, it succeeded the Canadian Radio Broadcasting Commission (CRBC), which had been created in 1932 to oversee private stations and provide Canadian radio programming amid concerns over foreign, particularly American, dominance in broadcasting. The CBC operates English- and French-language radio and television networks, along with digital platforms, under a mandate derived from the Broadcasting Act of 1991 to "inform, enlighten and entertain" while promoting , cultural diversity, and national unity. The Broadcasting Act emphasizes Canadian ownership and control of the broadcasting system, requiring programming that reflects linguistic and regional communities, Indigenous perspectives, and official language minorities, with a focus on high-quality news, information, and entertainment distinct from commercial imperatives. CBC's structure includes subsidiaries like Radio-Canada for French services, and it maintains over 80 local radio stations, two national TV networks (CBC Television and Ici Radio-Canada Télé), and online services such as CBC Gem. Programming prioritizes Canadian-produced content, including news via CBC News, dramas, documentaries, and sports, though it supplements with advertising revenue on TV to offset costs. Funding primarily comes from parliamentary appropriations, totaling approximately $1.38 billion annually as of 2025, supplemented by $292 million in and $209 million from subscriptions and other sources, though revenues have declined amid digital shifts and inflation. The 2024 federal budget added $42 million for news and entertainment, yet the CBC forecasted $125 million in pressures for 2024-2025, leading to 800 layoffs and $18.4 million in bonuses for executives despite audience erosion. Viewership has plummeted to a 4.4% share, with fewer than 2% of tuning in regularly, even as spending on salaries rose, with thousands of employees earning six-figure compensation in 2024. Critics, including conservative politicians and media watchdogs, allege systemic left-leaning in CBC's news coverage, citing instances of unbalanced reporting on issues like , , and Conservative Party platforms, where conservative viewpoints are underrepresented or framed negatively. For example, in 2023, CBC sued the Conservative Party over use of news clips in ads highlighting alleged favoritism toward Liberals, and a 2025 parliamentary hearing saw CEO grilled on sidelining conservative perspectives. A by former host Salmon Robert Hutchison in 2025 claimed retaliation for conservative-leaning views, with executives assuming a "liberal world view" based on his ethnicity, underscoring internal pressures to align with narratives. CBC denies institutional , attributing perceptions to its for evidence-based reporting on topics like and , though empirical analyses from outlets like document disproportionate negative coverage of right-leaning figures compared to Liberal counterparts. These allegations persist amid taxpayer funding, raising questions about impartiality in a publicly supported entity intended for national cohesion rather than advocacy.

Organizations

Political Organizations

The Congressional Black Caucus (CBC) is an organization comprising African American members of the , founded on March 30, 1971, by 13 initial members including Representatives (D-N.Y.), William Clay (D-Mo.), and (D-Mich.). The group originated from informal gatherings in the late 1960s organized by Diggs to coordinate among Black lawmakers amid post-Voting Rights Act increases in Black congressional representation, evolving into a formal to amplify legislative for Black communities. Exclusively composed of Democrats since its inception, the CBC operates as a entity focused on racial-specific policy priorities, distinguishing it from broader congressional caucuses. As of the 119th convening in January 2025, the CBC holds a record 62 members, including 58 House representatives, 3 senators, and 1 delegate, marking the largest membership in its history and reflecting gains from the elections. Leadership for this term is headed by Chair Representative Yvette D. Clarke (D-N.Y.), elected on December 4, , succeeding (D-Nev.), with vice chairs including Troy Carter (D-La.) and (D-Ga.). Members hail predominantly from districts with significant Black populations, such as those in , , and , and the caucus maintains a separate established in 1976 for policy research and scholarships. The CBC's stated purpose is to advance legislation promoting equal rights, economic opportunity, and access for Black Americans, often positioning itself as the "conscience of the " by prioritizing issues like , voter access expansion, and pre-K through postsecondary education funding. Key activities include annual legislative conferences, task forces on health disparities and impacting and the , and opposition to policies perceived as discriminatory, such as certain efforts. Achievements attributed to the caucus include advocacy for Voting Rights Act extensions, reductions in urban through targeted programs, and improvements in housing and childcare access in underserved areas during Democratic administrations. In policy influence, the CBC has shaped platforms by leveraging its bloc voting power, becoming described as the most influential faction within the despite members holding the lowest average net worth among congressional groups. Over time, its legislative priorities—such as emphasis on social welfare expansions and opposition to restrictive measures—have aligned more closely with broader Democratic agendas, potentially diluting distinct Black-specific focuses in favor of goals. The caucus has also extended influence to , critiquing U.S. approaches to African nations and advocating for interests through hearings and resolutions. Critics, including some within Black communities, contend that the CBC has underdelivered on revitalizing economically distressed areas, fostering about its effectiveness beyond symbolic . A 2010 New York Times investigation highlighted fundraising concerns, revealing that the caucus's and affiliated nonprofit collected at least $55 million from corporations and unions between 2004 and 2008, prompting questions about potential arrangements with donors seeking policy favors. Additionally, the organization's race-exclusive structure has drawn accusations of promoting identity-based politics over meritocratic or color-blind reforms, with figures like former Representative arguing for its dissolution to reduce congressional .

Business Organizations

The Community Bankers Council (CBC) is a council within the (ABA), recognized since 1981 as the primary forum for addressing community banking priorities, including advocacy, policy development, and resource creation tailored to smaller . It facilitates member involvement in ABA initiatives, responds to regulatory and operational challenges faced by community banks, and promotes solutions such as customized products and leadership training. As of 2025, the council is chaired by Jon Sisk, executive vice president and chief banking officer at West Coast Community Bank. The Citizens Budget Commission (CBC) operates as a nonpartisan, nonprofit think tank in New York, dedicated to reforming the finances, economy, and management of New York State and City through independent research, fiscal analysis, and policy recommendations. Established to monitor public spending and advocate for fiscal responsibility, it produces reports on budget trends, tax policies, and economic competitiveness, influencing legislative debates without affiliation to political parties. The organization is led by President Andrew Rein and supported by a board of trustees from business, finance, and civic sectors. The Covington Business Council (CBC) functions as a member-driven in , promoting through networking events, educational programs, and for local interests. It hosts over 100 annual gatherings, including luncheons, tours, and after-hours mixers, to connect members with opportunities in the region's growth sectors such as and . The council emphasizes one-on-one relationships and collaborates with regional partners to advance and policy supportive of private enterprise.

Educational Organizations

Central Baptist College (CBC) is a private Christian institution in , focused on integrating faith with academic programs in fields such as business, education, and ministry. Its Program is authorized by the Arkansas Department of Education for state licensure recommendations. (CBC), a public in , offers over 100 associate and applied degrees, including a Bachelor of Applied Science in . Annual tuition averages $4,200 with a student-to-faculty of 23:1 and $18 million in financial aid distributed yearly. Coastal Bend College (CBC) operates as a public serving , with a foundation supporting scholarships and educational initiatives through private contributions. Christian Brothers College High School (CBC) is a Catholic, Lasallian college-preparatory founded in by the Brothers of the Christian Schools, emphasizing formation of "Men for Tomorrow." Central Bible College (CBC), established in 1922 as Central Bible Institute in Springfield, Missouri, by the Assemblies of God to train ministers and missionaries, operated for 90 years before merging into Evangel University.

Science and Technology

Complete Blood Count

A complete blood count (CBC) is a routine blood test that quantifies key cellular components of blood, including red blood cells, white blood cells, hemoglobin, hematocrit, and platelets, often with a differential count for white blood cell subtypes. This test evaluates overall health, screens for disorders such as anemia, infection, inflammation, clotting issues, and leukemia, and monitors responses to treatments like chemotherapy or blood loss. Performed via venipuncture, typically from an arm vein, the sample is processed in a laboratory using automated analyzers like flow cytometry or impedance methods to count and size cells accurately. Risks are minimal, including brief pain, bruising, or rare infection at the puncture site, with no special preparation required unless combined with other tests. The CBC reports several parameters derived from red blood cells, which transport oxygen: count (RBC), (Hb) concentration, (Hct) as the volume fraction of RBCs, and indices like (MCV) for average RBC size, (MCH), (MCHC), and red cell distribution width (RDW) for size variation. count (WBC) assesses immune function, with differential breaking it into neutrophils (bacteria-fighting), lymphocytes (viral/antibody response), monocytes, eosinophils (parasites/allergies), and . Platelet count evaluates clotting potential. These metrics classify anemias (e.g., microcytic if MCV <80 fL, macrocytic if >100 fL) and detect abnormalities like thrombocytosis (>400,000/μL) signaling or . Normal reference ranges vary by laboratory, age, sex, altitude, and status, but typical adult values include:
ParameterMale RangeFemale RangeNotes
RBC (million/μL)4.6–6.24.2–5.4Oxygen-carrying cells
(g/dL)13–1812–16Protein in RBCs binding oxygen; lower in (≥10 g/dL)
(%)40–5536–48RBC volume percentage
MCV ()80–10080–100Average RBC volume; classifies type
(/μL)4,500–11,0004,500–11,000Total leukocytes; differential: neutrophils 40–60%, lymphocytes 20–40%
Platelets (/μL)150,000–400,000150,000–400,000Clotting factors
Deviations require clinical correlation; for instance, (>11,000/μL) may indicate bacterial infection, while (<4,500/μL) suggests viral suppression or bone marrow failure. Spurious results can arise from factors like cold agglutinins causing pseudothrombocytopenia or lipemia interfering with counts, often necessitating manual smear review. The CBC's broad utility stems from its reflection of bone marrow production, peripheral destruction, or sequestration, guiding further diagnostics like bone marrow biopsy if persistent abnormalities occur.

Cipher Block Chaining

Cipher Block Chaining (CBC) is a confidentiality-only mode of operation for symmetric-key block ciphers, in which each plaintext block is exclusive-or'ed (XORed) with the preceding ciphertext block prior to encryption, using an initialization vector (IV) for the first block. This chaining process introduces diffusion across blocks, preventing identical plaintext blocks from producing identical ciphertext blocks, unlike the Electronic Codebook (ECB) mode. The mode processes data in fixed-size blocks matching the underlying cipher's block length, such as 128 bits for AES, and requires the plaintext to be padded if its length is not a multiple of the block size. In encryption, the first ciphertext block C_1 is computed as C_1 = E_K(P_1 \oplus [IV](/page/IV)), where E_K denotes encryption under key K, P_1 is the first plaintext block, and \oplus is the XOR operation; subsequent blocks follow C_i = E_K(P_i \oplus C_{i-1}) for i > 1. Decryption reverses this: P_i = D_K(C_i) \oplus C_{i-1}, with D_K as decryption under K and C_0 = [IV](/page/IV), allowing parallel decryption of blocks after the is applied sequentially to the first. The must be unpredictable and unique per message to ensure security, typically generated randomly and prepended to the ciphertext for transmission. CBC was invented in 1976 by IBM researchers Eli Biham, , and others, building on earlier block cipher designs like . CBC provides probabilistic , offering indistinguishability under (IND-CPA) security when used with a secure and random IV, as it transforms deterministic per-block into a probabilistic resistant to leakage. Relative to ECB, it offers advantages in diffusion, where bit errors in one affect only the corresponding and subsequent blocks during decryption, and it supports malleability detection through checks, though it lacks built-in . However, is inherently sequential due to dependency on prior , limiting parallelism, and it propagates errors: a single-bit flip in alters the entire corresponding and flips the same bit in the next. A key vulnerability is susceptibility to padding oracle attacks, where an attacker exploits a decryption that reveals whether is valid, enabling decryption of arbitrary blocks byte-by-byte with about 128*b queries per block of b bytes, as demonstrated by Serge Vaudenay in for PKCS#7 in CBC. This attack, practical against systems like TLS without proper countermeasures, has contributed to deprecation of CBC in protocols favoring modes like GCM. NIST's SP 800-38A (2001, revised ongoing as of 2023) specifies CBC alongside other modes but recommends authenticated variants for new designs due to these issues. Despite declining use, CBC remains in systems like older TLS versions and file , provided with message to mitigate chosen-ciphertext risks.

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