In this Thursday, Jan. 17, 2013 photo, J.D. Williams poses for a picture in Huntsville, Ala. Williams is a veteran who served near burn pits in Iraq and Afghanistan. The pits were used

 

              In this Thursday, Jan. 17, 2013 photo, J.D. Williams poses for a picture in Huntsville, Ala. Williams is a veteran who served near burn pits in Iraq and Afghanistan. The pits were used
In this Thursday, Jan. 17, 2013 photo, J.D. Williams poses for a picture in Huntsville, Ala. Williams is a veteran who served near burn pits in Iraq and Afghanistan. The pits were used to burn garbage at military bases and some vets are reporting health problems they attribute to the smoke. (AP Photo/Dave Martin)