EL RENO, OKLAHOMA — He knows exactly how many burgers will fit on this grill surface. “34,” he states with confidence. Marty Hall can tell you everything about what it takes to run Sid’s Diner, all 860 square feet and 32 seats of it. “Its old school. It’s an old school diner,” he says. But other numbers have long since escaped Hall’s comprehension. The big one, he does know, is ’50’, 50 years of slingin’ hash and diner cooking. Hall […]