House Speaker John Boehner, former Speaker Newt Gingrich and Sarah Palin are among the Republicans demanding that President Obama clarify the mission in Libya and explain who's in charge. The White House says he's already done that. Dana Milbank is political columnist for the Washington Post. His books include Tears of a Clown, about Glenn Beck, and Homo Politicus, about "the strange and scary tribes that run our government."