The fight between Sen. Elizabeth Warren, D-MA, and the CFPB’s Acting Director Mick Mulvaney regarding the payday lending rule is escalating. In a two-paragraph response released last week, Mulvaney rejected the accusation that his decision to retreat from payday lending was connected to the campaign contributions that payday lenders gave. “I rejected your insinuation – repeated three times in as many pages – that my actions as acting director are based on considerations other than than a careful examination ...