to conclude he can put his heart and soul into the race. >> if i were to announce to run, i have to commit to all of you that i would be able to give it my whole heart and my whole soul. right now, both are pretty well banged up. we are trying to figure out that issue. >> reporter: at a campaign event in iowa, hillary clinton responding to all of the buzz about biden with some deeply personal remarks. referencing the fact that the biden family is going through the grief process after the death of beau biden in may. >> i want him to reach whatever the right decision is and he has to do that. it has to be a really, really hard one. i was at his son's funeral. i cannot even imagine the grief and heart break. joe has had more terrible events