Complex sentence: Madison, where he served as editor-in-chief of the "Daily Cardinal", and in 1966 graduated with a bachelor of laws degree from Yale Law School, where he was a Note and Comment editor of the "Yale Law Journal".
Split into simpler sentences: Madison, where he served as editor-in-chief of the "Daily Cardinal". In 1966, Greenfield graduated with a bachelor of laws degree from Yale Law School, where he was a Note and Comment editor of the "Yale Law Journal".