The slaughter in Tucson has reawakened the national debate about gun laws. It's long past time for that. The deranged 22-year old who allegedly killed six and wounded 13 others, including Rep. Gabrielle Giffords, was easily able to purchase a semiautomatic pistol and a high-capacity magazine that allowed him to fire off 30 bullets without reloading. A law that banned that type of military-style assault weapon expired in 2004 and has not been renewed. The powerful... (GunPolicy.org)