SALEM — Visitors to the city pool can buy some Quaker Dawgz this year to quench their hunger and thirst without ever leaving Centennial Park. The city parks commission voted this week to allow Salem residents Raymond and Jessica Little, the owners of Quaker Dawgz hot dog cart, to set up shop in any of the parks, but especially at Centennial near the pool. The Littles came to the commission meeting and offered up their services, filling a need the board had been discussing on how to provide snacks to pool patrons. The idea of putting vending machines in the pool area again had been ...