What role does Twitter play in foreign policy? The New America Foundation's Emily Parker joins the show to discuss how Twitter may have changed the course of events for the blind Chinese dissident Chen Guangcheng.
Michael Sontheimer of Der Spiegel discusses the objections raised to the announcement that the German state of Bavaria will re-publish Hitler's controversial text "Mein Kampf."
This weekend is full of extraordinary events, including an exhibit featuring dazzlingly painted My Little Ponies, Mexican wrestling and margaritas, and dressing up for the Kentucky Derby and placing bets -- all brought to you by your Weekend Alibi.