CNN The Lead With Jake Tapper March 31, 2014 20:36:00
Towed pinger locator. they drop it in the water and the microphone listens and drags along the ocean floor listening for the sound of the pings from the data recorders on board the aircraft. those data recorders, by the way, only have about a little over a week of battery life left, as we've been telling people. here's the problem. as great as this technology is, it only has about a mile radius. in order for it to work effectively, we need to narrow the search area and right now we're looking at an area the size of poland, jake. so obviously the technology is not effective unless we can try to...