GoPro is relaunching its Karma drone today

All Karma drones were recalled last fall after users reported a power failure that could cause the aircraft to fall from the sky. GoPro is relaunching its Karma drone today, three months after the company recalled the aircraft following reports that some units suffered a power failure during flight and fell from the sky. The drone is now on sale -- again. GoPro says that the power failure on its original, recalled model was due to a problem with a latch that secured its battery, a problem the co...