Sen. John McCain (R-Ariz.) told The Hill he’d be “glad to try to help” out Florida Gov. Charlie Crist (R) in his Senate race but he hasn’t been asked. Crist is in a tough primary battle with former state House Speaker Marco Rubio (R) for the state’s open Senate seat. “Sure, I’d be glad to try to help him,” McCain said in an interview with The Hill Wednesday but added Crist hasn’t yet asked for his help. Crist and then-Sen. Mel Martinez (R) gave McCain a critical endorsement in the waning days of Florida’s GOP presidential primary in 2008 that...