The total price tag for the Army's Stryker program has jumped nearly $2.6 billion to $15.7 billion, a hike that reflects a recent decision to purchase an additional 640 of the eight-wheeled combat vehicles, according to a new Pentagon report. The Office of the Secretary of Defense yesterday provided Congress an update on all of its major weapon system programs -- the Selected Acquisition Reports, required by law -- noting that the Stryker program's nearly 20 percent cost increase comes...