Senate Budget Committee Chairman Kent Conrad (D-SD) today expressed doubts about the cost of developing a multi-layered missile defense system. "I do think it makes sense to invest money, first in those shorter-range systems, but also to continue a robust effort on national missile defense," Conrad said during a committee hearing on the administration's fiscal year 2003 defense budget request. "But, I must say the president's proposal leaves me cold, because (the Congressional Budget Office) tells us for limited layered...