By Paul SingerRoll Call Staff Rep. Dutch Ruppersberger (D-Md.) hangs out with Cockroaches. These are not the crunchy, skittery kind of cockroaches that terrorize your kitchen, but the well-shod Washington insider kind that gather several times a year for a high-powered confab on defense and intelligence matters. The Cockroaches are a venerable Washington, D.C., institution […]