As his 80th birthday approaches, Hugh Hefner is proud of his achievements. He shouldn't be. Hugh Hefner turns 80 next Sunday, and The Mansion is once again the place to be. "A major pajama party" is planned, as he told Maclean's, along with other observances equal to the dignity of the occasion. But this milestone also has "Hef" in a reflective mood, wondering how he will be remembered and trying to sum up "the major message in my life." The founder of Playboy, says a Reuters profile, has become "utterly obsessed with his own legacy" and lately has "filled some...