Ron Palillo, who portrayed the goofy high school underachiever Arnold Horshack in the hit 1970s sitcom ``Welcome Back, Kotter'' with such definitive oddballness that he had trouble for years afterward finding work as an actor, died on Tuesday in West Palm Beach, Fla. He was 63.
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``Welcome Back, Kotter'' actor ron Palillo dies
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Tina Fey returns as former alaska Gov. Sarah Palin
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Former Laker dies at 72: