If federal prosecutors had their way, the man who gave them most of the gruesome details about Michael Vick’s dogfighting enterprise wouldn’t go to prison for killing dogs and helping create “Bad Newz Kennels.” U.S. District Judge Henry E. Hudson disagreed, saying it wouldn’t be right to let Tony Taylor walk after sentencing Vick to 23 months in prison and two other co-defendants to 18 and 21…