Mathematically, the firebrand senator may be done. But that doesn't mean his campaign will end.

Can Sanders and Rubio pull off Super Tuesday wins in Minnesota?

The party took all the wrong lessons from his landslide loss to Richard Nixon in '72.

Will the right fall in line behind him—or make #NeverTrump a rallying cry?

For Team Rubio, it's all about precision-targeting delegate-rich suburban areas.

They raise the question of how a crooked demagogue managed to commandeer the Republican Party, almost without trying.