Wendy's said its restaurants had "too many" promotions over the summer and would scale back for the rest of the year. "We learned that when we have too many priorities, we have none," interim CEO Ken Cook told investors on its second-quarter earnings call before the opening bell on Friday.The boss, who took over last month following Kirk Tanner's departure for Hershey's and is still chief financial officer, said the fast food chain's summer promotions on drinks, breakfast, meal deals, and digital exclusive ...