Johnny Grant was found dead tonight, around 7 p.m., on a bed at the Roosevelt Hotel where he lived on the 14th floor in a suite.Grant, 84, has been one of Hollywood's most enthusiastic supporters for more than 50 years. Grant got his start in entertainment by hosting a daily radio show in New York City for servicemen and women during World War II, and later co-hosted the first national telethon ever produced to help......