Damon Wells is the man gun supporters were imagining when they fought for the right to carry concealed weapons. He had a permit to carry his gun, and he had the gun on him when a pair of teenage thieves approached him Saturday night on his front porch in Cleveland. When one of the youths pulled a gun, Wells drew his and shot one of the boys several times in the chest, police said. Arthur Buford, 15, died after stumbling away and collapsing on a sidewalk near East 134th Street and Kinsman Road. City prosecutors decided Monday that Wells, 25,...