Election 2018 Battle For Congress

FILE - This Oct. 1, 2018, file photo, shows the Capitol at sunrise in Washington. Republicans have begun to concede defeat in the evolving fight to preserve the House majority. The party’s candidates may not go quietly, but from Arizona to Colorado to Iowa, the GOP’s most powerful players are shifting resources away from vulnerable Republican House candidates deemed too far gone and toward those thought to have a better chance of political survival. (AP Photo/J. Scott Applewhite, File)