http://www.latimes.com/news/nationworld/na...6363,full.story
Cable talking heads accuse broadcast networks of liberal bias -- but a think tank finds that ABC, NBC and CBS were tougher on Barack Obama than on John McCain in recent weeks.
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When network news people ventured opinions in recent weeks, 28% of the statements were positive for Obama and 72% negative.
Network reporting also tilted against McCain, but far less dramatically, with 43% of the statements positive and 57% negative, according to the Washington-based media center.