They weren't. There was, not surprisingly, a significant partisan gap. Only 4% of Democrats are confused about...
This article available online at:
http://www.theatlantic.com/politics/archive/2009/07/one-of-these-things-is-not-like-the-other/22526/
This article available online at:
http://www.theatlantic.com/politics/archive/2009/07/one-of-these-things-is-not-like-the-other/22526/