Critics say laundering helps cartels, blurs sovereignty
                                
                                
                                    (Newser) -
                                    One element of the United States' efforts to find and track Mexican drug money is surprising: Undercover US agents have laundered and smuggled millions of dollars for the drug cartels, reports the  New York Times . American officials, particularly those with the DEA, say these laundering operations provide invaluable intel, allowing...