The reason why msm political bias is so pernicious is that it trickles down throughout the downstream media before it can be corrected.
The case in point was the way Yahoo trumpeted the headline that Mit Romney had won PolitiFact's Biggest Lie of the Year in Yahoo's stream of interesting/useful/entertaining news items. It has since been removed, but it appeared in the number one spot yesterday and early this morning. The article is still online at Romney earns PolitiFact’s ‘Lie of the Year’ for Jeeps made in China, but it doesn't jump out at you like before.
Maybe that's because Tony Lee poked a hole as big as a Jeep Grand Cherokee in the analysis at Politifact Calls Factually Accurate Romney Jeep Ad 'Lie Of The Year'.
As for the biggest lie of the year, they should have looked at Barack Obama's claim that he called the Benghazi killings a terrorist attack from the beginning, with a timely assist from CNN's Candy Crowley, in a Presidential debate of all places. Astonishingly, PolitiFact did not even put that lie in the running.
Romney lost the presidential election, and he is not likely to try it again. So it raises questions. Why do they keep trying to pick on him? Furthermore, do all those newspaper people serving PolitiFact care that they are mere tools for Democrats?