As defense officials are moving to continue a controversial demonstration with a pair of giant, sensor-packed blimps after one aerostat blew away and crashed during bad weather, money fresh from Congress is needed soon to implement the plan, according to officials and documents. Officials believe they need approval from lawmakers by early March to redirect $27 million from other priorities toward the Joint Land Attack Cruise Missile Defense Elevated Netted Sensor. That's according to a briefing slide included in a...