Tancredo: Yes.
Huckabee: Yes
Romney: Yes
Giuliani: Yes.
Thompson: "I don't do pledges to anyone except the American people."
McCain: "I'm like Fred. My pledge and my record is ... to the American people."
Paul: Yes, but "you can easily pledge not to raise taxes, but you have to promise to cut spending."
Hunter: "You could have a national emergency."

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