Weinel chose to put the phrase "Signal Flare" along his left forearm.

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The BP oil disaster is like a signal flare warning us that we must reduce our oil use via investments in more efficient, cleaner energy technologies.

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Still his father said nothing, his eyes fixed on the view like a soldier on guard duty, determined not to miss the signal flare sent up by a savage tribe on a distant hill.

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The problem is that if you send a signal by, say, firing off a flare, you're supposed to aim the flare well over the heads of the folks in the lifeboat.

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