John McCain has reversed himself on offshore oil drilling, and President Bush has joined McCain's call for ending the nationwide moratorium. Would that help bring gasoline prices down? What would it mean for the environment? With energy costs skyrocketing, is it good politics? Also, President Bush gets a first-hand look at flooding in Iowa, and Barack Obama reverses himself and says "no" to public money for his campaign.
An aerial image of downtown shows flood-affected areas June 13, 2008 in Cedar Rapids, Iowa. Photo: David Greedy/Getty Images