Smoking gun.

• Author: Peters, Charles
• Position: Tilting at Windmills

"The alert came at 10:17 a.m. on a sultry summer morning on the Mississippi. A crop cluster circled four times over the river near Natchez, Miss, sending clouds of dark powder down on the tugboat and barges below." Thus began an article in the Post about a day at the Homeland Security operation in Washington. "It was another day, another false alarm," reported Sail Horwitz. "The crews on the boats were monitored for symptoms of poisoning, but none developed. Meanwhile, a deputy sheriff- tracked down the pilot. It turned out he had been drinking and doing drugs and was flying out of control. 'We arrested him,' the center's director, [retired Marine Brig. Gen. Matthew E.] Broderick, said simply. 'The guy was...