"Johnny Carson, right, took over ""The Tonight Show"" on October 1, 1962, with co-host Ed McMahon. They retired from the late-night talk show 30 years later.   This year, <a href=""http://www.cnn.com/2014/02/18/showbiz/tv/jimmy-fallon-tonight-show-debut/"">Saturday Night Live alum Jimmy Fallon became the show's new host </a>after Jay Leno, who hosted the show for 22 years."
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