Could Donald Trump Win the General Election?

Last night in Palm Beach, Donald Trump’s new sidekick, Chris Christie, introduced the G.O.P. front-runner, who won seven of the twelve state races on Super Tuesday, as the next President. With Trump seemingly marching toward the Republican nomination, it’s a natural prospect to raise. But is it a realistic possibility? In five of the past six elections, Democrats have won the popular vote.* Surely a divisive figure like Trump couldn’t reverse that trend. Or could he?