Live from New York

WHEN A YOUNG WRITER named Lorne Michaels talked NBC executives into taking a chance on a new weekend late-night comedy series, nobody really knew what to expect-not even Michaels. But Saturday Night Live, launched in 1975 and still thriving today, would change the face of television. It introduced brash new stars with names like Belushi, Radner, Chase, and Murray; trashed taboos that had inhibited TV for decades; and had such an impact on American life, laughter, and politics that even president