WASHINGTON (Reuters) – The government is officially announcing on Friday an expanded program that should provide 140,000 to 150,000 children from low income families with supper meals, a senior Agriculture Department official said. A federal program aiding such children, many with parents away from home until late in the evening, has been in operation in 13 states and the District of Columbia, but USDA Under Secretary Kevin Concannon told Reuters in an interview that "this afternoon the official announcement goes out that the program will be available in all 50 states." The expansion, authorized in the Healthy, Hunger-Free Kids Act...