Newt Gingrich – also known as 'Newt Skywalker' – topped the Scientific American ranking of six GOP candidates. Ron Paul came in third.
After leading in some polls, New Gingrich has fallen out of favor with most Republican voters – especially in the key state of Iowa. He's taken a drubbing in negative ads, and much of the response from lawmakers who served with him in the House has been more criticism or silence.
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