security advisor, susan rice and michigan governor gretchen whitmer all already top contenders. peter doocy is live in delaware with more. >> reporter: good afternoon. the former vice president was spotted at a nearby church this morning as he enjoyed the second to last weekend of only being the presumptive democratic nominee, once he becomes the nominee in a week and-a-half a lot of things will change and this morning the former vice president was talking about the ways his wife has been helping him fill out the campaign staff. >> jill is best at helping me do is figure out who the people around me would be most compatible with me. she knows me ingber than i know me. >> reporter: the trump campaign blasted out question of the day for joe biden, this is what it is. why can you travel to campaign events in pennsylvania but not to a tv studio in wisconsin? that's a reference to the canceled in-person portion of the democratic convention. we still don't know where in delaware biden plans...