Did he attend classes at Columbia? Henry Franklin Graff, professor emeritus of history at Columbia for 46 years, has cast doubt on claims Obama attended classes at the New York City university. “I have no recollection of Barack Obama at Columbia, and I am sure he never attended any of my classes,” Graff told WND in a telephone interview. “For 46 years, I taught political history, diplomatic history and one of the pioneering courses on presidential history, and every future politician of note who went through Columbia in those years took one or more of my classes – every one,...