SAN FRANCISCO — There is no evidence that crime goes up in places where concealed weapons permits are issued more freely, an attorney told a federal appeals court on Tuesday.Paul Clement represents San Diego County residents who were denied a permit by the sheriff on the grounds that they had failed to show good cause beyond self-defense.The self-defense standard should be sufficient and asking for more violates the Second Amendment right to bear arms, Clement told the 11-judge panel of the 9th U.S. Circuit Court of …