vice president, i'm the centrist candidate. kamala harris, who is she in the race? what's her card? >> i think she's trying to straddle a little of both and that's part of her struggle, right, especially in a spraulg fie -- sprawling field. it's difficult in a crowded field but her strategy doesn't seem to be a messaging shift, though. she's more focused in getting on the ground in iowa. she's been fundraising, it's taken away from the trail, but now she's had to refocus. >> people are concerned with biden perhaps there is an age issue, maybe he's a little loose-lipped. since he first ran in 1988, there were concerns about elizabeth warren's electability in terms of her idealogy and that goes the same for bernie sanders. harris has to show that she is