One thing you can generally count on when the lanky figure of Barack Obama approaches a podium is that you will hear a good speech; and the more trouble he is in, the better the speech is likely to be. He has never spoken more powerfully than just after losing the New Hampshire primary back in January 2008, or when the eruption of his pastor, Jeremiah Wright, threatened to derail him later that year. For his first state-of-the-union message on January 27th, the president needed something extra-special.
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