The meeting may be more important than it seems at first blush. While the primary goal is to dispel the notion that Facebook specifically censors conservative ideas (Beck and others have largely ignored official explanations so far), it could also head off a Senate committee investigation into the company's news filtering practices. Even though it's doubtful that the investigation will lead to legal action -- free speech rights would get in the way -- Facebook likely doesn't want to give the inquiry legitimacy by remaining silent and appearing like it has something to hide.