Why Marco Rubio would have crushed Hillary Clinton

Donald Trump's campaign is collapsing before our very eyes. Unable to be anything but his erratic self, the Republican presidential nominee is down by double-digits to Hillary Clinton in some polls. Instead of talking about what he would do as president or attacking his rival, he keeps lashing out at every perceived barb. Everyone around him is suddenly realizing that he just can't help himself, and is riding the Titanic full steam ahead into the iceberg.

It's hard not to think of an alternative, a sort of bizarro nominee. Someone...