he's not just a freshman senator. he was formerly the putative leader of the republican party as its presidential nominee. >> i get the feeling we have to -- >> the question becomes what can he do with this? what you've seen over the last two years is it's trump's party and folks who have tried to push back have not had a ton of success. >> i think you're seeing that now with concern about whether trump will be challenged in a 2020 primary. and the next question becomes will there be a challenger to trump? will romney get behind that effort? and perhaps will mitt romney challenge trump? >> i think we'll have to do a column or nine from carl. you will see mitt romney live today on "the lead." he'll sit down with jake tapper today at 4:00 p.m. on cnn. up next, congress gets a ma makeover. the fresh faces and what's on the dems' agenda as they take