Jeff Greenfield, a veteran political, media and culture reporter and analyst, has spent more than thirty years on network television. He currently hosts PBS' "Need To Know." From 2007-11, he served as CBS Senior Political Correspondent. Prior to his return to CBS News, Greenfield had been senior analyst for CNN since 1998. Before joining CNN, Greenfield was a political and media analyst for ABC News (1983-97), appearing primarily on "Nightline" and delivering weekly commentaries for "World News" Sunday. Previously, he was the media commentator for CBS News (1979-83).Greenfield has also has appeared on William F. Buckley's "Firing Line"and PBS' "We Interrupt This Week." He was the anchor of PBS' "CEOExchange," a limited-run series, for five seasons. Greenfield, a native of New York City, graduated with honors from the University of Wisconsin, where he was editor-in-chief of The Daily Cardinal. He is an honors graduate of the Yale Law School, where he was a Note and Comment Editor of the Yale Law Journal. Following law school, Greenfield worked as a speechwriter in the Senate office and in the 1968 Presidential campaign of Robert F. Kennedy. He then worked as chief speechwriter for New York Mayor John Lindsay. Greenfield spent seven years with famed political consultant David Garth, and wrote books and magazine articles as well.