MIAMI — Florida Sen. Marco Rubio is young, telegenic and charismatic. He's Hispanic, Catholic and the son of Cuban immigrants. He's a tea party favorite, a GOP star and, some say, the future of the party.
His endorsement would be a big get for any of the presidential contenders before Florida's Jan. 31 primary — if only he were the giving kind.
The freshman senator has ties to GOP front-runners Mitt Romney and Newt Gingrich but has pledged to stay neutral as Republicans pick someone to challenge President Barack Obama. But Rubio's refusal to back a candidate hasn't squelched intense speculation about whether he might make a surprise endorsement, or whether he'll end up as the GOP's vice presidential nominee.
The 40-year-old Rubio publicly insists he has no interest in doing either.
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