Hillary Clinton had an amazing night — and not just because of her victories

Tuesday night was an amazing night for Hillary Clinton, and not just because her wins in Florida and Ohio made Bernie Sanders's path to the nomination nearly impossible.

Tuesday night was an amazing night for Hillary Clinton because Marco Rubio dropped out of the race and virtually ensured she will face either Donald Trump or Ted Cruz in the general election.

A couple of months ago, Rubio's general-election strength was conventional wisdom. "I sometimes want to run