Florida’s Republican Governor Charlie Crist is getting a big boost for his U.S. Senate bid from a bevy of GOP A-listers. Helping to raise money for Crist in Washington are Senate Minority Leader Mitch McConnell, R-Ky., National Republican Senatorial Committee (NRSC) chairman Sen. John Cornyn, R-Texas, and 2008 GOP presidential nominee Sen. John McCain, R-Ariz. The power trio will be on hand – along with yet other Republican luminaries – to help attract major donors at an event for Crist slated for June 22 at the NRSC, according to a report in The Hill, which obtained an invitation. The week...