>> what about the other size? rick, we've talked about the doctori democratic field. what about kasich, flake, rom y romney? how likely is it the president will face a bottle in 2020? >> it depends on what's in the mueller investigation, what the committees might uncover. right now i'd say they don't have -- right now if i had to guess today, they'd say they don't have a chance because there's this democratic party -- i mean the republican is so supportive of donald trump. and donald trump has merged a reelection campaign with the rnc. it's going to be difficult for someone to breakthrough that. >> difficult but early road ahead. thank you all so much for joining us. and coming up, last day at the pentagon. the parting message from secretary jim mattis to u.s. service members on his last day on the job. stay tuned.