trumpism. >> reporter: tlheir battle, par policy and part theater. >> if you look at some of the barbs you both have shared on twitter. >> there's a few. >> there's a few. there's a good bit and it's offline, too. >> how about this clown in california. >> newsom responded by tweet saying trump is literally locking up kids like pennywise. the scary clown from the movie "it". >> do you relish that fight? >> no, but he calls me a clown and i called him pennywise, forgive me. that's a little bit of a sideshow. interestingly, we have a relationship. interestingly, we communicate. not in public, on the phone, in person, and he's very dwrashsgr in those calls and i hope in turn i am, as well. they've shared gracious public moments and they walked through a fire-ravaged california town praising each other's leadership and remain unafraid to spar to