David Gergen Dies: CNN Political Analyst & Presidential Adviser Was 83

UPDATED with CNN statement: David Gergen, a political analyst for CNN and frequent political commentator who was an adviser to four U.S. presidents, has died. He was 83. His son, Christopher, told The New York Times that the cause was Lewy body dementia. His daughter, Katherine Gergen Barnett, disclosed in December that he had been […]