Iraq war and patrioct act both saw more support than opposition in polls, when they happened (law passed, invasion was started).
Wars did get less popular when they went badly, so you can argue that they would have been shorter if public officials would have retreated when polls turned against them. But that's a separate discussion.
Wars did get less popular when they went badly, so you can argue that they would have been shorter if public officials would have retreated when polls turned against them. But that's a separate discussion.