Japan's governing Democratic Party (DPJ) chose Finance Minister Yoshihiko Noda as its leader, making him the country's sixth prime minister in five years. We’ll talk about Japan's new PM with Steve Clemons of The Atlantic. We spend the rest of the hour on Libya. University of Chicago professor John Mearsheimer examines the implications of President Obama's approach to the Libyan conflict. And, after a six month uprising, rebel forces swept into the capital of Tripoli last week, effectively ending Colonel Qaddafi's 42-year-long grip on power. BBC correspondent James Reynolds chronicles the key turning points in the North African nation's conflict.