I have a sneaky feeling that MSNBC political correspondent Kasie Hunt isn't a registered Republican. Even so, there's little doubt that at least for now Marco Rubio is winning the Kasie Hunt primary. In successive appearances on the Up with Steve Kornacki and Melissa Harris-Perry shows this morning, Hunt made clear that Rubio was her standout in the Republican field assembled this weekend in New Hampshire. On "Up" Hunt called Rubio "the strongest candidate in telling a story . . . really somebody to watch." A bit later on MH-P, Hunt hailed Rubio as the person who "stood out to...