MSNBCW MTP Daily October 21, 2015
steered jaohn mccain's presidential bid and whether paul ryan can usher in some unity. and what's at stake for the party when hey grill hillary clinton on the hill tomorrow? and i'll also talk to one of the republicans on the benghazi committee, as well as one of the few democrats in the house who voted in favor of starting the benghazi committee in the first place. his senate campaign is now calling that decision a circus. we'll get into that. but we start with the big news of the day, biden's announcement. today ends 82 days of speculation about his presidential ambitions. in fac...