Democratic Debate Recap; Illegal Dog Breeds; MLK 50 Years Later; Constitutional Dress

David Chen of the New York Times provides analysis of last night's Democratic mayoral debate, and takes your calls on whether or not the candidates said anything that changed how you plan to vote. Plus: Historian Taylor Branch traces history of the civil rights movement over the 50 years since the March on Washington; how laws restrict the way we dress; the White House takes a stance on legislation targeting dog breeds such as the pit bull; and calls on your favorite public art.