Donald Trump

Sanders' most ardent supporters say the Vermont socialist could have won over working-class voters in states such as Michigan and Wisconsin that Hillary Clinton lost.

Residents of rural Pennsylvania turned to Donald Trump after feeling a growing level of economic anxiety. But they're going to be watching to see if he follows through on his promises in Washington.

The president-elect called the alliance "obsolete" and said European countries weren't paying their share. This has created hand-wringing in the bedrock institution of Western security.

The startup Brigade built an app that asks a simple question: Which candidate are you going to vote for? The company's data pointed to a big crossover effect: Democrats voting for Trump in droves.