Vietnam War Bob Tallman

Vietnam War veteran Bob Tallman of Sioux City works out on at a rowing machine Aug. 25 at the Norm Waitt Sr. YMCA in South Sioux City. Tallman, who served in the Marine Corps in 1966 and 1967, was exposed to Agent Orange during the war and was diagnosed with Parkinson's disease in 2009. He says exercise is the only way to stave off his symptoms.