mike, thank you. joining me now, melanie zinona. and good morning to you both. do you get a sense that congressman amash is acting on principle? or is he motivated by political reasons? >> justin amash is someone who has a long history of standing up to his own party. he's never towed the party line. when republicans held the house majority, he voted against leadership when he took a stand. he's an institutionalist and a con ser conservative. hi threatened to quit the freedom caucus because he didn't think it was standing up enough to the president. when you try to assess his motivations, he's not ruled out running against the president in 2020. he's getting a primary