Republicans increasingly uncertain of a legislative victory before August

They have made no serious progress on a budget despite looming fall deadlines to extend spending authorization and raise the debt ceiling. Promises to launch an ambitious infrastructure-building program have faded away. And the single issue with the most potential to unite Republicans — tax reform — has yet to progress beyond speeches and broad-strokes outlines.

The fallout, according to these Republicans, could be devastating in next year’s midterm elections. A demoralized GOP electorate could fail to turn out in support of lawmakers they perceive as having failed to fulfill their promises, allowing Democrats to sweep back into the House majority propelled by their own energized base.

Rep. Mark Meadows (R-N.C.), chairman of the conservative House Freedom Caucus, said if Republicans cannot deliver on their promises in the coming weeks, voters “are going to start saying, ‘What difference does it make who’s in power?’ ”