WASHINGTON, DC – MARCH 16: Actor George Clooney (L) and his father Nick Clooney leave the Washington Metropolitan Police Department after being arrested outside the Embassy of Sudan March 16, 2012 in Washington, DC. United to End Genocide, the Enough Campaign and Amnesty International held a rally to call on the United States and world leaders to stop the violence in South Sudan and prevent hundreds of thousands of people from starving. (Photo by Win McNamee/Getty Images)