By Ted Escobar, Daily Sun NewsKnown for its low prices for common grocery items, Grocery Outlet will open a new store in Sunnyside. The store will open at 2600 Yakima Valley Highway, in the former Kmart building.Grocery Outlet spokeswoman Kelly O’Rourke said construction will start soon.“Delivering thrilling deals has become our mission,” O’Rouke said. “It’s...