see more

WASHINGTON, DC - SEPTEMBER 12: Actor George Clooney answers questions during a press conference about corruption in South Sudan at National Press Club September 12, 2016 in Washington, DC. Clooney, a co-founder of the group Sentry, and colleagues presented 'the findings of a two-year investigation into the networks of South Sudan's senior officials and their international facilitators, whose violent competition over corruption opportunities has turned their country into one of the world's deadliest war zones.' (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - SEPTEMBER 12:  Actor George Clooney answers questions during a press conference about corruption in South Sudan at National Press Club September 12, 2016 in Washington, DC. Clooney, a co-founder of the group Sentry, and colleagues presented 'the findings of a two-year investigation into the networks of South Sudan's senior officials and their international facilitators, whose violent competition over corruption opportunities has turned their country into one of the world's deadliest war zones.'   (Photo by Win McNamee/Getty Images)