Gates appears in the new documentary Waiting for “Superman,” a powerful indictment of the U.S. education system, it features educators running the innovative Knowledge is Power Program (KIPP) schools, and follows families desperate to get their children into high-performing charter schools. He talked to Maclean’s editor-in-chief Kenneth Whyte in Toronto.http://www2.macleans.ca/2010/09/21/bill-gates-in-conversation/