By Susan Barnett
http://stream.publicbroadcasting.net/production/mp3/wamc/local-wamc-626840.mp3
New York – It's being called a massive health crisis...and one that's just beginning to be studied. The state is starting to track the people who were near Ground Zero and have since died. And those who are alive say they're fighting to prove the toxins in the air that day made them sick.