When Hunter Biden crashed Wednesday’s hearing of the House Oversight Committee, he might have thought he was being a hero, but Rep. Nancy Mace wasn’t having it. The infuriatingly arrogant first son turned up on Capitol Hill flanked by his criminal attorney, Abbe Lowell, and his Hollywood buddy, Kevin Morris, apparently just to provoke Republicans already pushing to charge him for blowing off a subpoena last month. But he might not have reckoned on Mace, the South Carolina Republican who became a verbal machine gun peppering Biden with insults that hit home. “My first question is, who bribed Hu…