Republican presidential hopeful former Massachusetts Gov. Mitt Romney arrives in the parking lot of his campaign headquarters in Boston, Mass., Wednesday, Feb. 6, 2008. The day after his Super Tuesday wins in the West, Romney enjoyed his first night at home in a month and went to his office for a strategy session with aides. "Got some good sleep," said Romney, who vowed to stay in the race. (AP Photo/LM Otero )

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