At Sun City Center, Marco Rubio derides Patrick Murphy as an “old-fashioned liberal”

Marco Rubio has been making the case that Patrick Murphy hasn’t accomplished much of anything during his four years in the U.S. House of Representatives. Now, with the polls tightening, he’s saying that the voting record of his Democratic rival in the U.S. Senate race is also too liberal. “Why does someone lie about their background, about things that they have done? Apparently because they haven’t done anything,” Rubio told a couple of dozens supporters at a clubhouse in Sun City Center in South Hillsborough…