"Lindsay Graham and I, if he decides to run, he’s my closest friend," the 2008 nominee said.
"Think about how President Bush worked out last time," read a DNC pitch.
His moves send clear signals to donors, staffers and challengers he’s serious about a run.
Julian Hattem 12/16/14 03:39 PM EST
His focus on immigration and education may help him with the tech industry.
Former Fla. governor would draw 14 percent out of more than a dozen potential candidates.
The Florida senator thinks Bush would be a "formidable candidate," his spokesman said.
The move adds the backing of the populist Minnesota Democrat to Clinton's camp.
The former Fla. governor gains the most if the 2012 GOP nominee passes on running again.
The former Obama adviser said Clinton needs a rationale for her candidacy.
The former Florida governor said he intends to create a new leadership PAC in January.