A San Francisco Superior Court judge on Monday threw out the city's voter-approved ban on handguns, ruling that state law trumps local jurisdictions in gun control matters. Proposition H, approved last November with 58 percent of the vote, banned the possession, manufacture, distribution, sale and transfer of firearms and ammunition within San Francisco. (Exceptions were made for specific professional purposes, such as police or security work.) The National Rifle Association sued the city, arguing that state law preempts local gun control ordinances. The judge agreed. Both the National Rifle Association and the Second Amendment Foundation called the decision a victory...