You wait, you watch, you scope out plans of attack and avenues of escape, you make your move slowly or quickly, you wait again.

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In the same way that you shouldn't wait until you have a heart attack to engage in lifestyle and medication interventions, Alzheimer's should be diagnosed much earlier, so that precautions can be taken, said Maria Carrillo, senior director of medical and scientific relations at the Alzheimer's Association.

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And President Bush understands we can't just wait for the next attack.

CNN: Pataki: 'Bush says what he means, he means what he says'

Reporters do not actively go out to many random areas and see if anyone has been killed in a violent attack, but wait for reports to come in.

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"Attackers wait until the price of Bitcoins reaches a certain value, sell, destabilize the exchange, wait for everybody to panic-sell their Bitcoins, wait for the price to drop to a certain amount, then stop the attack and start buying as much as they can, " according to the exchange.

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At Walt Disney World, families travel in packs - with younger kids waiting in the wings while older siblings attack rides with death-defying drops, and older siblings dragging their feet as younger kids wait in line for a photo op with Mickey.

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