The Real Presidential Deadlines By Kyle Kondik and Geoffrey Skelley
The presidential fields on both sides are so much in flux that rumors of new candidates entering the race continue. For the Democrats, the whispers about Vice President Joe Biden making a late charge into the fray have become roars. Biden made a campaign-style appearance at a Labor Day rally in Pittsburgh and otherwise seems to be strongly considering a run as frontrunner Hillary Clinton’s polling has dipped significantly (though to us she remains the clear favorite for the Democratic nomination).