Democrats already have reasonable odds of flipping a dozen or so House seats.
By Theodoric Meyer and Elena Schneider
03/21/16 05:18 AM EDT
Democrats never dared dream they could challenge for the House this election. But Donald Trump has Republicans worried. | Getty
By John Savage
Donald Trump is on the verge of two things once thought to be impossible: winning the Republican presidential nomination, and putting Republicans’ historically large House majority in danger.