PRESSURED by former Democratic vice-presidential candidate John Edwards's bold foray into her own back yard, when he challenged her silence over the war during a speech in New York City, the shrine of liberalism, and by Barack Obama's formation of an exploratory committee, Hillary Clinton has rushed to signal her intention to run for president. She has told friends that she hadn't seen why she couldn't just wait until the fall of the year before the election, as her husband Bill had done, to announce. But she was so panicked by the Edwards and Obama initiatives that she announced her...