The two cases under appeal do not offer an ideal test of the administration's new views. One concerns a man charged with violating a federal statute prohibiting individuals under domestic violence restraining orders from carrying guns; the other involves a man convicted of owning machine guns, which is illegal under federal law. In both cases, the defendants cite the Second Amendment as protecting their right to have the firearms. The unsavory facts may explain why Mr. Olson is using these cases as vehicles to announce the administration's constitutional position while urging the Supreme Court not to accept the appeals.