FILE PHOTO: Former U.S. President Jimmy Carter takes questions from the media during a news conference at the Carter Center in Atlanta, Georgia, U.S. August 20, 2015. REUTERS/John Amis
FILE PHOTO: Former U.S. President Jimmy Carter takes questions from the media during a news conference at the Carter Center in Atlanta, Georgia, U.S. August 20, 2015. REUTERS/John Amis