Minnesota Gov. Tim Walz rose to prominence by making the rounds in mainstream media interviews, but since being named Kamala Harris’s running mate, the “folksy”, “midwestern dad” has been missing from the airwaves. From July 22 to Aug. 6, about two weeks before he was added to the ticket, Walz appeared on MSNBC, PBS, CNN and Fox News a total of ten times, an analysis by Newsbusters’ Curtis Houck, shared with the Daily Caller, showed. Since Harris chose Walz as her running mate on Aug. 6, the governor has not appeared on the networks he flocked to during the vetting process, according to Houck’…