March 12, 2006
Jacob Silberberg/Associated Press U.S. Army Sgt. Dave Weyant, of Wichita, Kan., sits inside a Buffalo vehicle and uses a robotic arm to search a suspicious piece of refuse for a roadside bomb, called an IED, near Balad, 50 miles north of Baghdad, Iraq, Nov. 5. The United States is pouring billions more dollars and fresh platoons of experts into its campaign to "defeat IEDs." But out on those risky roads, and back at the Pentagon, few believe that even the most advanced technology will eliminate the threat.