2 air traffic controllers left work early the night an Air Canada jet collided with a fire truck at LaGuardia, source says

By Pete Muntean, Alexandra Skores, CNN (CNN) — Two LaGuardia Airport air traffic controllers in the control tower left work early the night an Air Canada Express flight collided with an airport fire truck on the runway, according to a source familiar with the investigation into the March 22 crash. The two pilots of Air