"I am somewhat sheepishly concerned that it was my preventing one of my early spring allergic coughs," she said. "So, it may have no great meaning whatsoever."

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She also said today, "Those were 38 of the most intense minutes. I have no idea what any of us were looking at at that particular millisecond when the picture was taken."

Clinton Discusses Her Hand Gesture In Riveting Situation Room Photo [USAT]