Ryan Warner speakes with John Patterson, of Lindsborg, Kansas, and Bonnie Ryan, of Pocahontas, Iowa. They spent much of yesterday driving to Denver, part of a three-car caravan of Obama enthusiasts headed for Invesco. Then we'll hear from the media, who spent most of yesterday and last night moving equipment and personnel from the Pepsi Center to Invesco, in preparation for tonight's speech by Barack Obama. Ryan Warner speaks with CNN producer Alec Miran. View photos.