Former Press Secretary Dana Perino (the one who had majored in political science but never heard of the Cuban Missile Crisis) went onto Fox News to make the remarkable claim that there was no terrorist attack on America during Bush’s term.  Nobody on the set contradicted her.

Addendum: Here is a photo study of Fox News’ more blatant errors of late, which has led to something of an internal crackdown.  They don’t list the blatant innacuracies stated by their opinion commentators.