and lists, that cost them millions of dollars to organize, get together and that are the keys to the kingdom, wolf when you want to win a contest in state like iowa or new hampshire. you can't sort of overestimate how big this is. >> you heard bryan from the clinton campaign say it follows two months of negative advertising that the bernie sanders campaign has been leveling against the hillary clinton campaign. they have a debate tomorrow. >> they do. i think what you saw the clinton campaign is try to shut down the sort of enthusiasm that was sort starting to build. they wanted people to donate and progressive e-mail lists to go around. there was an attempt to blunt that enthusiasm call to action