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

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.

You should.

At Thursday's debate, Marco Rubio and Ted Cruz finally scored points against the front-runner. But why did they wait so long?

And how it could spell disaster for his campaign on Super Tuesday.