I hear reports of a tour de force. Money quote:

"The danger from Iran is grave and real and my goal will be to eliminate this threat," he said, adding loudly to add emphasis that he would do "everything" to prevent Iran from obtaining a nuclear weapon... "As president of the United States, I would be willing to lead tough and principled diplomacy with the appropriate Iranian leader at a time and place of my choosing -- if, and only if -- it can advance the interests of the United States."

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