COLUMBIA, S.C. — Amid angry demonstrations over the Confederate flag last weekend, a quiet gesture of human kindness unfolded on the steps to South Carolina's Statehouse: A white man overcome by the sweltering heat and wearing a Nazi swastika on his T-shirt was escorted to rest and shelter by a black man wearing an officer's uniform.
That man in the uniform was Leroy Smith, who runs the state Department of Public Safety, and a photo of his Saturday encounter with the man wearing the...