WASHINGTON, Nov. 4 -- Sen. Roger Marshall, R-Kansas, issued the following news release: Salina, KS U.S. Senator Roger Marshall, M.D. visited Schwan's pizza plant in Salina, KS this week. Schwan's is a national food production company with plants across the country. Senator Marshall toured Schwan's Salina production facility, where he saw the almost completed cold-storage expansion and watched their pepperoni pizzas be made. Schwan's is now the largest pizza manufacturer in the United States, producing over 100 million pizzas per year. The ne more PR