WASHINGTON - A powerful House committee on Thursday approved legislation that would block antigun lawsuits of the kind now being argued by the NAACP in federal court, alleging a link between gun marketing practices and street violence. By a 21-11 vote, the GOP-controlled House Judiciary Committee approved legislation to prohibit lawsuits from being brought against gun and ammunition manufacturers, distributors, dealers and importers for damages resulting from "misuse" of their product. Only one Democrat, Rick Boucher of Virginia, voted to send the legislation on to the full House for approval, with all of the rest voting against the bill. Republicans...