and i think if you're running against someone, you should contrast who you are with who they are and your policies with their policies. so the fact that he mentions his name or policies, or the fact that he's an existential threat to the future of america, i think that's what you should do when you're running against some person, is to point out the differences. >> differences is one thing, but there is also name calling. we saw name calling in 2016 and saw where that got folks. he has called trump an existential threat. you talked about it. childish, embarrassing, and more. yes, donald trump calls people names all the time. we saw him calling joe biden names. i asked democratic congressman debbie dingle of michigan about what the message is, that she thinks is going to win over voters like her constituents in michigan who voted for trump in 2016, and she had a very important message on this point. listen. >> i think people are tired of people taking shots at each other. and there are some that are dug