Arizona gun laws were relaxed further in 2010 when Gov. Jan Brewer (R) signed a National Rifle Association-backed bill repealing a state law requiring gun owners to have a permit to carry a concealed weapon. State law now permits anyone 21 or older and legally qualified to own a firearm to carry the weapon without a concealed-to-carry permit. Brewer's predecessor, Janet Napolitano, now secretary of the U.S. Department of Homeland Security, had previously vetoed attempts to toss out the concealed-carry permit law. The new law won praise from gun groups. "This is a major victory for gun owners in Arizona,"...