Polls give GOP momentum going into midterms

Washington (CNN) -- Republicans woke up Sunday to a wave of new polls that showed their Senate candidates surging ahead in key states -- including one in Iowa that looked particularly grim for Democrats -- giving the GOP a jolt of enthusiasm going into the 2014 campaign cycle's final hours.Two days from the midterm election, Washington's political class was buzzing around news that Iowa GOP Senate hopeful Joni Ernst was 7 percent points up in a Des Moines Register poll and Republican candidates and surrogates popped up on the Sunday news shows, gleeful about their prospects