At the request of Congress, the Office of Inspector General said it is launching an investigation into the increase in "operational errors" -- the term used when a controller fails to maintain safe distances between planes.
How about just making sure they show up for work on time, and stay awake their whole shifts. Oh yeah, less hookers in the towers too.
Thanks.
http://www.cnn.com/2011/TRAVEL/05/11/air.traffic.mistakes/index.html?hpt=Sbin