CHARLOTTE, N.C. _ For nearly two years, Republicans have worried that Donald Trump's polarizing presidency would alienate moderate suburban voters in the midterm elections, putting dozens of one-time Republican strongholds within Democratic reach.
And in the final days of the campaign, there is mounting evidence that their fears are justified.
From Charlotte to Chicago to Kansas City, there are signs that in the final moments before Election Day, well-off, well-educated moderates in historically Republican areas will turn out for Democrats, making the GOP vulnerable on a vast and volatile playing field and ensuring that the fate of even once solidly red districts is uncertain until the end.