I n Harpers, Jasper Craven reports on "The Thin Purple Line"-the quickly-growing, heavily-armed and increasingly belligerent private security forces at work in America: "Americans' fear of crime ...

Maryland transportation leaders announced that the long-anticipated Purple Line is now in the test-track phase.

The Purple Line is nearly three-quarters done, say officials from the Maryland Transit Administration, and they’ve got photos to prove it. So many photos.