more about "msnbc.com video: Sen. Barack Obama (D...", posted with vodpod If this doesn't work, click here.Media: guess what? Yes, the media is tougher on Obama than on McCain.Haters of the mainstream media reheated a bit of conventional wisdom last week.Barack Obama, they said, was getting a free ride from those insufferable liberals.Such pronouncements, sorry to say, tend to be wrong since they describe a monolithic media that no longer exists. Information today cascades from countless outlets and channels, from the Huffington Post to Politico.com to CBS News and beyond.But now there's additional evidence that casts doubt on the bias claims aimed -- with particular venom -- at three broadcast networks.The Center for Media and Public Affairs at George Mason University, where researchers have tracked network news content for two decades, found that ABC, NBC and CBS were tougher on Obama than on Republican John McCain during the first six weeks of the general-election campaign.You read it right: tougher on the Democrat.During the evening news, the majority of statements from reporters and anchors on all three networks are neutral, the center found. And 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.Conservatives have been snarling about the grotesque disparity revealed by another study, the online Tyndall Report, which showed Obama receiving more than twice as much network air time as McCain in the last month and a half. Obama got 166 minutes of coverage in the seven weeks after the end of the primary season, compared with 67 minutes for McCain, according to longtime network-news observer Andrew Tyndall.I wrote last week that the networks should do more to better balance the air time. But I also suggested that much of the attention to Obama was far