Below is the NTSB letter to the FAA with their recommendations concerning this issue (contains much more accurate info):

http://www.ntsb.gov/recs/letters/2010/A-10-001-009.pdf

In defense of air traffic controllers, after 30+ years of flying with them, they are simply awesome. Capable, professional and immediately available to help you out. They think in 3D with complete focus...don't know how they do it on a daily basis.