NEW BEDFORD, Mass. — The federal government is trying to keep the disgraced fishing magnate known as the Codfather out of the seafood business.Carlos Rafael was sentenced last year to nearly four years in prison after pleading guilty to evading fishing quotas and smuggling money to Portugal.Officials with the National Oceanic and Atmospheric Administration say they filed a charging document against Rafael, two of his scallop boat captains and 28 businesses related to Rafael on Wednesday.