(By John Murawski, john.murawski@newsobserver.com) Support for A&'s proposed $39billion merger with T-Mobile is streaming in from all quarters of the state.Judging by letters penned to Washington asking the feds to bless the controversial merger, the A&/T-Mobile union would be a plus for North Carolina's labor unions, business lobby, sweet potatoes, African-Americans and other assorted interests.