Lack of air traffic control tower questioned

Two people are dead after a mid-air collision between two small planes on Wednesday at a regional airport in Arizona.
Two people were killed and two others injured after a Lancair 360 and a Cessna 172 collided mid-air near Marana Regional ...
The Cessna 172S and Lancair 360 MK II collided at the uncontrolled Marana Regional Airport Wednesday. Authorities in Arizona ...