By Joel Achenbach, Jamie Thompson, Robert Samuels and Brady Dennis
The Washington Post
DALLAS — A black Suburban coasted to a stop in downtown Dallas on Saturday morning, and Mayor Mike Rawlings, in blue jeans and black cowboy boots, stepped out and surveyed the crime scene. Police barricades still blocked Main Street. FBI agents in navy blue T-shirts and khakis combed the street for evidence; one retrieved what appeared to be an ammunition casing.
Rawlings gave some media interviews, then sat down on a park bench. He was still talking in his TV voice: “I’m feeling determined.” And: “I’m feeling like we have a chance to really change things here….