Moderators asks for a show of hands:

Thompson: "I'm not going to play hand games."

Moderator asks him question.

Thompson: "Well, if you want to give me a minute to answer that?

Moderator: "No."

Thompson: "I'm not going to answer that."

Giuliani starts to talk. McCain starts to talk.

McCain: "It is serious."

Giuliani: "I agree with John. Climate change is real, it's happening, I believe human beings are contributing to it."

Romney: "That I agree."

Hunter: "He said contributing ..

Romney: "Can you let us answer?"

Giuliani: "I think that it should be an issue our party should embrace?"

The moderator has lost control of the debate.

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