Bob Wood owns guns, shoots twice a month and is teaching his 5-year-old grandson to fire. But he worries about other gun owners taking up arms as the dust settles from a tragic event. One month after the terrorist attacks of Sept. 11, 2001, about 40,000 people asked the Florida Department of State for an application for a concealed weapons permit, roughly 20 times the norm. And local gun-shop owners say interest spiked last fall surrounding the type of rifle used in... (GunPolicy.org)