Sen. Mark Kelly, D-Ariz., joined ‘Fox News Sunday’ to discuss why voters should support Vice President Kamala Harris over former President Donald Trump despite various economic woes and whether he would certify a possible Trump victory. Sen. Mark Kelly, D-Ariz., joined ‘Fox News Sunday’ to discuss why voters should support Vice President Kamala Harris over former President Donald Trump despite various economic woes and whether he would certify a possible Trump victory.