(Editor's Note: This article has been updated to include a reference to an additional letter from Sens. Sam Brownback (R-KS), Pat Roberts (R-KS) and John Thune (R-SD) on the Airborne Laser.) Amid an uncertain funding future and varying levels of support on Capitol Hill, Boeing officials contended this week that roughly 1,000 jobs -- and the United States' edge in laser technology -- are at risk if the Airborne Laser program is canceled. An operational fleet of Airborne Laser aircraft...