As the Democratic keynote speaker, he has the down-home image his party needs to broaden its support.
If she signals ambivalence, some supporters could stay home this fall.
Barack Obama says he represents a new kind of post-partisan politics – but he’s made what appears to be a traditional choice for running mate.
Cindy McCain's past is the latest to be questioned after errors were found.
Pastor Rick Warren interviews Obama and McCain in a live broadcast Saturday.