Democratic and republican frontrunners. As both swing through sioux city this sunday evening, hoping to how onto single digit leads going into monday. Jenna we begin with Hillary Clinton, who spoke to an estimated crowd of 500 people at the Sioux City Convention center. Chelsea clinton joined the former secretary of state as the family has been campaigning in iowa all day. After she talked to voters, secretary clinton sat down with me for a oneonone interview. I asked her. Tonight, i had the chance to sit down with mrs. Clinton, just one day before the caucus. Jenna rehnstrom says, are you confident you can win iowa, and are some feelings about 2008 and Barack Obamas surge at the end playing a role . Secretary clinton says, i have to say, i feel very good about this campaign. It is close, and thats why its very important that people who support me come out and caucus tomorrow night. We got good news that the blizzard wont be here till after midnight, so you because i think so much is a