Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Brian Todd reports on aÂ Time magazine article that reveals new details about the March on Washington and Martin Luther King Jr.'s famous "I Have a Dream" speech.
CNN's Tom Foreman looks back at the history of North Korean threats and the resulting outcome of its brinkmanship.
Researchers say President Barack Obama was a descendent of the first documented African slave in the U.S.