An Academy Award-nominated actor and a renowned human rights activist team up to change the tragic course of history in the Sudan -- with readers' help. While Don Cheadle was filming Hotel Rwanda, a new crisis had already erupted in Darfur, in nearby Sudan. In September 2004, then-Secretary of State Colin Powell termed the atrocities being committed there "genocide" -- and yet two years later things have only gotten worse. 3.5 million...