Hillary Clinton will almost certainly end up earning more votes nationally than did Donald Trump. It's a weird twist on the "rigged system" claim Trump has regularly made; in this case, it's rigged to his benefit.

What's remarkable, though, is what happens when you stretch back a few presidential contests. Only once since 1992 has a Republican won the popular vote -- but three of those seven times, Republicans have won the White House.

Before 2000, the last time such a split occurred was in 1888.