64 percent of American adults said the results of the Iraq war were not worth the costs 55 percent believe the U.S. should never have invaded 50 percent who said the U.S. should have "stayed out" of Iraq Fifty-nine percent of those polled Oct. 3-5 said U.S. troops should leave as soon as possible, 49 percent of those surveyed say Iraq would "never" become a democracy. Forty-five percent said it will "take longer" to plant democracy in Iraq