. >> bernie sarnth in sanders has in the last week drawn large crowds in iowa. >> governor how does it feel to be bake in iowa? >> it's great to be back in iowa. everyone wants to meet the candidate two or three times before making up their mind and that's good. >> governor o'malley is trying to get interest, he is making rounds in the hawkeye state. >> i'm running for president of the united states. >> reporter: this meet and growth in iowa city is o'malley's third of the day. >> the candidate has to be willing to have hundreds and hundreds of the meetings like the ones here and more that will follow in the days ahead. >> reporter: so far four democrats senator sanders -- >> where billionaires are literally i able to buy elections. let's not kid ourselves. >> three have them have been pressing the flesh and first in the nation caucus state overshadowed by the presumed party front runner hillary clinton who has spent little time here so far. outside a heavily scripted listening tour after she announced her candidacy doesn't seem to have hurt clinton. less than 57% of des moines ftc cau