Three broadcast conglomerates control 40% of U.S. local TV stations, with Sinclair mandating partisan 'must-run' segments

Gray Television, Nexstar Media Group, and Sinclair Broadcast Group each own approximately 100 stations and together control 40% of all local TV news stations in the United States, operating in more than 80% of media markets. Sinclair specifically operates 179 stations reaching 38% of U.S. households and requires local anchors to air centrally produced 'must-run' segments, including political commentary. Research shows local news coverage drops approximately 10% after a Sinclair acquisition, with one Montana station's weekly story production falling from 410 to 160 stories post-acquisition. Why it matters: local anchors present nationally produced partisan content as if it were local journalism, so viewers cannot distinguish between genuine local editorial judgment and corporate-mandated messaging, so public trust in local TV news (historically the most trusted news source) erodes, so residents lose the last widely trusted information source about their own communities, so the distinct local identity and editorial voice that made local TV news valuable disappears into homogenized corporate content. The structural root cause is that FCC ownership limits have been progressively relaxed since the 1996 Telecommunications Act, allowing single companies to own stations in dozens of markets, and there is no regulatory mechanism requiring that centrally mandated content be disclosed to viewers as corporate rather than local editorial decisions.