No matter how many times James O’Keefe and Andrew Breitbart get caught lying, slandering and editing videos with their Right-wing swill, Republicans will overlook it for that is their nature. And the media will play their crap out of fear that they will lose even more of their audience to the more fair and balanced Fox News if the do not. To be fair the media has to be unfair.
Remember the definition of "Liberal Bias" which includes everything without a conservative bias.