What American statesman and a retired four-star general in the United States Army has attended events at the Southern Center for International Studies? 
Southern Center for International Studies:  Located in Atlanta, GA, it hosts several annual events, such as the Retired Secretaries of Defense Conference, and regularly hosts events for visiting dignitaries such as Tenzin Gyatso (the current Dalai Lama), Crown Prince Hassan of Jordan, President of Georgia Mikhail Saakashvili, former Secretaries of State Madeleine Albright and Colin Powell, former Secretary of the Treasury Robert Rubin, and former Secretary of Defense Donald Rumsfeld. Colin Powell: Colin Luther Powell ( ; born April 5, 1937) is an American statesman and a retired four-star general in the United States Army.
i don't know