The Supreme Court ruled Thursday in favor of seven U.S. gun manufacturers who were sued by the Mexican government over allegations they aided and abetted illegal gun sales to Mexican cartels.The high court’s decision in Smith & Wesson Brands v. Estados Unidos Mexicanos was unanimous, finding that the Protection of Lawful Commerce in Arms Act, a statute that protects gun makers from lawsuits, did not include exceptions that gave the Mexican government the ability to sue."The kinds of allegations Mexico makes cannot satisfy the demands of the statute’s predicate exception," Justice Elena Kagan wrote for the court.Kagan noted the exceptions