“Americans’ opposition to the war in Iran has hardened, according to a new CNN poll, with almost two-thirds saying the U.S. is not winning the conflict and more saying President Donald Trump isn’t doing enough to end it.”“Americans have never held positive views about the war, and nearly seven months after it began, broad majorities say the conflict has hurt U.S. interests, has not been worth the costs and that the president lacks a clear plan to handle it.”