GOP Debate Open Thread

And, then, there were 4. Perry’s sudden departure from the race mixes up the dynamic for tonight’s debate. Expect nasty exchanges between Romney and Gingrich. The wild card is Santorum, who is quickly fading in the polls. He may shift his criticisms of Romney to Gingrich now. Fireworks start at 8pm EST on CNN. We’ll have reactions from the Breitbart world after the debate.