** FILE ** In this Jan. 9, 2011 file photo, George Clooney stands outside a polling station in Juba, then capital of southern Sudan. Actor and human rights activist George Clooney made a quiet visit to a volatile border region between Sudan and South Sudan last week, ahead of testimony he's giving before a U.S. Senate committee on Wednesday, March 14, 2012. (AP Photo/Pete Muller, File)