Investigators have yet to rule out arson as they continue to look for the cause of Colorado's Waldo Canyon fire, the most destructive wildfire in state history. Former FBI agent Brad Garrett and forensic psychologist N.G. Berrell talk about the process of investigating fires and the profile of an arsonist.
A day after Republican presidential candidate Mitt Romney spoke to the nation's oldest civil right organization, Vice President Joe Biden appeared at the NAACP's annual convention. He quickly tackled one issue that drew Romney sustained boos — the 2010 health care overhaul.
Biden appeared in place of President Obama, who made a brief videotaped address thanking the group for its work. He walked out to warm applause, and several of his remarks were interrupted by shouts of agreement.
Lots of people know Woody Guthrie's classic 1940 ballad "This Land Is Your Land," but the story behind the tune may not be as familiar.
Guthrie, who would have turned 100 this week, wrote "This Land" as a response to Irving Berlin's "God Bless America," a song he felt was overly patriotic and not directed at ordinary Americans like himself.