From people upset at being kept awake by explosions and helicopters to conspiracy-minded theorists with their own explanations, Tinley Park citizens were outspoken on the Defense Department's urban training exercises. Read what they had to say. (TWEETS-AT-LINK) The U.S. Department of Defense's two-night stint of urban training exercises on the grounds of the closed Tinley Park Mental Health Center ended early Thursday. The highlight of the final night, which began Wednesday, April 24, and went until about 1 a.m. Thursday, April 25, were numerous flyovers from military helicopters using the village's helipad. And even though the drills were being staged...