[cnn-photo-caption image= http://i.cdn.turner.com/cnn/2008/images/03/19/art.hc.troopshome.gi.jpg caption=" Sen. Hillary Clinton delivered a speech on Iraq at George Washington University, Monday in Washington DC."] FROM CNN's Jack Cafferty: Hillary Clinton is challenging Barack Obama to a rematch in Michigan and Florida. Clinton made a last-minute trip to Michigan today to emphasize her support for a re-vote there, saying it's … Continue reading Where is Clinton left without revotes?