It's been a week saturated with the misbehavior and the fate of Anthony Weiner. Today, we talk about the unpredictable dynamics of political scandal. Also, military action in Libya and war powers, and surprising findings about the planet Mercury.
Banner image: Rep. Anthony Weiner (D-NY) enters to announce his resignation June 16, 2011 in the Brooklyn borough of New York City. Photo: Mario Tama/Getty Images