Congressman: Would you at least acknowledge, based on the irrefutable evidence before us that you don't seem to have investigated, that it is possible that at face book, your employees do have the power to disadvantage conservative viewpoints. Zuckerberg says he's not aware of any case where we have fired someone on behalf of their politics. 'I'm a government official. I've seen the messages where you have specifically directed mister lucky to make statements regarding his politics for the benefit of your company,' congressman said. "There is serious question as to whether not you're giving truthful testimony here, or whether it's lying before congress"...