He had also been to Appalachia to expose the depth of rural poverty in America, and had made an amazing trip to South Africa, where he challenged young people to fight apartheid.

• 此前他还前往阿巴拉契亚地区，揭露美国农村贫困的严重性，并且前往南非，激励那里的年轻人起来反对种族隔离制度。