The latest news on Thune, John
Five factors complicating the ability of Obama and congressional Republicans to work together.
Mike Huckabee and Newt Gingrich round out the top four.
Lawmakers and CNN's John King dish on their favorite state fair food.
Underfunded insurgent Christine O'Donnell gets help in quest to upset veteran Rep. Mike Castle.
Obama's focus on GOP foe raises Boehner's profile, political status.
More than two years from the next presidential election, at least 17 GOP-ers are eyeing his job.
He's known as a tough fighter after knocking off Daschle in 2004.
Thune’s introduction of what he calls a plan for common sense budget reform is leading some to conclude that he is testing the waters for a presidential bid in 2012.