For 40 years, comedian Jerry Lewis and his muscular dystrophy telethon have been as much a part of Labor Day weekend as the start of school and the symbolic end of summer. Now 80, and swallowing 25 pills a day for his sagging health, Lewis is approaching his curtain calls dogged by disabled activists who contend the show is designed to evoke pity rather than empower the disabled. Led by a former muscular dystrophy poster boy from Chicago, the activists scored what they call their "big triumph" last November as wheelchair-bound protesters ambushed Lewis in an appearance at the Harold...