Robert Sarvis lags in the polls, but leads on the merits. According to the conservative Media Research Center's analysis of this year's race for governor, coverage of Republican candidate Ken Cuccinelli has been "viciously negative," with 24 critical stories for every uncritical one. Coverage of the Democrat, Terry McAuliffe, hasn't exactly been glowing: By the MRC's estimate, negative stories about him outnumber positive stories three to one. But Robert Sarvis, the Libertarian candidate, probably would switch places with either of them in a heartbeat. He barely gets mentioned at all – garnering only about 2 percent of all coverage –...