Looks like everyone is jumping.
Check it out:

Hillary Clinton as couch potato didn’t last long. Was anyone surprised?

While she was getting back in the game, others who might run for president were in motion, too.

Republican Gov. Chris Christie socked away a big re-election victory in New Jersey and scored a prime position in his party to raise money and make friends.

Gov. Scott Walker, R-Wis., plugged a gaping hole in his resume with a new book.

Rep. Paul Ryan of Wisconsin rode to the rescue as Republican broker of a December budget deal that avoided a repeat of the fall government shutdown.