Obama calls for drone controls after White House crash

US President Barack Obama called for drones to be more closely regulated Tuesday, after a "quadcopter" crashed on the White House grounds prompting a security alert. Drones like the DJI Phantom which crashed on the White House grounds in the early hours of Monday are used most often for collecting often stunning aerial video, but the authorities fear they could also pose a security threat. "The drone that landed in the White House you buy in Radio Shack," said Obama. Obama al