In an era of hyperpartisan politics, Markwayne Mullin brings people together.The 40-year-old father of five is a Republican House representative from Oklahoma. He also used to be an MMA fighter. In Congress, he hosts a regular MMA-style workout routine for fellow members in the House gym. At each early-morning session, Democrats and Republicans show up to get their asses kicked.And once a year, Mullin lets the public join in to get their asses kicked too. VICE News was there recently when Mullin held an open workout to celebrate Men's Health Month.