Support WBURJon Stewart Uses His Celebrity To Bring Attention To Vets Exposed To Burn PitsPlay03:34Download AudioQuil LawrenceSeptember 16, 2020 ShareComedian, writer and veterans advocate Jon Stewart speaks at a press conference on "The Presumptive Benefits for War Fighters Exposed to Burn Pits and Other Toxins Act of 2020" at the House Triangle in Washington, D.C., on Tuesday. (Getty Images)