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Benazir Bhutto, at the rally where she was later killed.

First the news said there had been a bomb blast at a Benazir Bhutto campaign rally in Rawalpindi, Pakistan. Then it said the former prime minster had been hurt. And then it said Bhutto had been killed.

Don't know about you, I couldn't help feeling a little queasy in the newsroom — if I'm not sure yet exactly why. You?