Jeb Bush

With another primary on the books, it’s time to take stock of which Republicans should stay in the race and who should bounce.
Marco Rubio may win over less extreme GOP voters, but he's plenty extreme.
The Bushes have been in the thick of American politics for more than a century. They will be back.
They're not exactly what you'd call a solid voting bloc.
The one-time GOP frontrunner proved at just about every turn to be the wrong fit for the 2016 Republican electorate.
Or any other presidential candidate's, for that matter.