didn't need to be there could benefit from it. what's going to happen to the republican senators who are in remotely swing races is one of the big questions about impeachment here. i think on the short end you see maybe a three-week impeachment. on the long end you see perhaps a two month process. for bill clinton, it was about five weeks when it came to the senate side. i think this is going to be up to mitch mcconnell and he's going to have to figure out is it better or worse for the republicans to keep this going longer? >> jennifer, margaret, thank you both for staying up very late tonight with us. we appreciate it. coming up, this is just the third time in modern history that a sitting u.s. president has faced impeachment. what could he learn about how this could play out based on previous impeachments. that's next as cnn special coverage continues. is a differt kind of car. ♪ ladies and gentlemen for a different kind of drive. ♪ ladies and gentlemen for the drive to create a new kind of family car,