Earth Day: A Look Back At The First EventThe first Earth Day happened 51 years ago, when CBS News's Walter Cronkite called it "a day dedicated to enlisting all the citizens of a bountiful country in a common cause of saving life from the deadly biproduct of that bounty."
Walter Cronkite's 22-Year-Old Grandson Takes His Own LifeAs a boy, Cronkite served as the voice of Dennis the Menace in a 2002 animated movie. (Tom Arnold played Mr. Wilson.)
CBS News Announces Coverage Plans To Mark 50th Anniversary Of JFK AssassinationCBS News plans extensive coverage -- across a variety of their shows -- to commemorate the 5oth anniversary of the assassination of President John F. Kennedy.