By Brandon Gage United States Representative Tom Emmer (R-Minnesota) appeared on Sunday’s edition of Face the Nation and was grilled by CBS anchor Margaret Brennan over a video that he posted to Twitter of him at a shooting range with a hashtag that read, “fire” House Speaker Nancy Pelosi (D-California). Given that Pelosi’s 82-year-old husband Paul was assaulted in their San Francisco home early Friday morning, Brennan asked Emmer, the chair of the National Republican Congressional Committee, if that kind of messaging fuels violence. The on-air conversation became quite heated (partial transcr…