Frank Powers, a retired Wall Street executive and MTA board member who had been recently chosen to run for Representative Vito Fossella's congressional seat this fall, died yesterday. The 67-year-old apparently died in his sleep, found by his wife Diane, in his Todt Hill home. Just last month, Powers was endorsed by the Staten Island Republican Party to run for Congress this fall. Powers, a retired millionaire who donated to many charities, had reportedly promised......