Following on the heels of endorsements from Grover Norquist and House Republican Conference Chairman Rep. Mike Pence (R-Ind.), Marco Rubio's campaign announced Tuesday that Rubio has accepted an invitation to appear on Fox News Sunday to debate Charlie Crist March 28.

The Rubio camp says this will be the first debate of Florida's GOP primary campaign for U.S. Senate between Crist and Rubio. It's not clear yet whether Crist will accept the invitation.

Rubio also had a conference call Tuesday with mostly online media to discuss the campaign's latest makeover -- called Stimulus Bomb, the drive asks people to donate to Rubio's senate campaign with a goal of raising $1,000 for every billion the stimulus has added to the debt -- and take other questions.  One day away from the Feb. 10 deadline, which marks the one-year anniversary of Crist joining with Obama to support the stimulus, Rubio's Stimulus Bomb drive had raised $482,000 towards its $787,000 goal...

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