on the democratic campaign trail. >> bill: few more things. bernie sanders hitting joe biden and the super pacs from over the weekend. >> joe biden once said i'm paraphrasing, you have to be careful about people who have super pacs. in his campaign joe has not done particularly well in getting a lot of donations from working class people. he is now forced to go to billionaires and multi-millionaires to get his funding. >> bill: what we find in our polling that joe biden leads donald trump in a national poll. in iowa you have a four-way race. warren with a slight edge. the battle for second place is wide open three months before a ballot or caucus is arrived at there, byron. >> bernie sanders sounded so concerned that joe biden has had trouble fundraising. yes, the race in iowa is different from the national