The 85-year-old comedian had said in May that he was planning to continue as chairman . He has been a fixture on the late-night circuit for more than three decades, and his show is one of the most popular shows on television. But the MDA says he will not host this year 's telethon .
The 85-year-old comedian had said in May that he was planning to continue as chairman . He said then that next month 's telethon would be the last one he would host . But the MDA says he will not host this year 's telethon .