voting booth and vote. i agree. i just right now you're right. you lock it down. you pull them out. you get them -- >> even with that vote, i think president obama is a far more effective surrogate for her of revitalizing -- >> it's not just elizabeth warren. president. michelle obama. bernie is out there. >> what nicole is saying is elizabeth warren should probably just put on ear phones like they did with joe biden back in 2008 and just let joe go out now. >> they have research suggesting she helps. i promise. >> local message. everything is a national message. that's not a strong national message for hillary. >> still ahead from hillary clinton's marathon benghazi testimony to chris christie's takedown of marco rubio, they are the people, places and moments that have come to define the 2016 campaign. yahoo!s into is out with their complete list. that's next on "morning joe.".