SPRINGFIELD, OR — Panic broke out Monday afternoon when a pack of hungry cougars stormed the Springfield Walmart, raiding shelves and sending shoppers sprinting for the exits. Witnesses say the animals first appeared in the parking lot around 2 p.m., circling shopping carts and eyeing customers loading groceries into their cars. Moments later, the big cats slipped through the sliding glass doors and made a direct beeline for the meat department. “They didn’t even hesitate,” said Walmart...