SEATTLE — Tobi Ness had tried everything.
Weight Watchers. Calorie counting. Every diet that promised results. Nothing worked for the Tacoma woman, who spent her days as a general manager at a Pierce County Denny’s — surrounded by food from the moment she clocked in.
“I would see a particular food item go out and I would think about those cheese sticks or that burger until I would eat it,” she said. At her heaviest, she weighed 225 pounds and was exhausted all the time…