Well, I'll go one better and just look at today -- April 2, 2009.

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MS. PSAKI: If I can add just one thing about New Hampshire, just for all of you to look out for -- this is the second time the President has been here campaigning this year.

WHITEHOUSE: The White House

No one has taught him that he can't just look at supply--he also has to look at demand.

FORBES: Fact and Comment

What about holding the phone in one hand just to look at your smartphone's map (say you lack a phone-mounting apparatus) as this person claimed to be doing?

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Just look at Cemex (nyse: CX - news - people ), one of the largest cement companies in the world and based in Monterrey, Mexico.

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For a recent example of volatility in China itself, just look at Baidu, which suffered a nose-bleeding 42% plunge its shares during one stretch last year on worries about new competition.

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The only problem: Ivanka had to fly from New York to Miami to take one last look at the property, just to make sure, meaning she had to leave her week-old baby.

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In fact, we could be just one supply shock away from a full-blown food crisis that would make the price spikes of 2008 look like a happy memory.

FORBES: The Food Crisis Of 2011