She may wear a bright smile, but the en garde stance is not all for kicks.

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Stand tall, wear the smile of a woman who knows she is powerful and worthy beyond measure, and engage with those around you as the immensely capable, brilliant and worthy woman that you truly are.

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To be the secretary of defense, you see, is a bit like being the grand marshal at an Independence Day parade: You wear a sash, you hold a baton, you say a few words, you smile, wave and walk the route.

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We as a society want patients to smile and wear headscarves and tell us about the silver lining of their disease.

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Without any further explanation, the first group was asked to form of a smile, while the second was told to wear a frown.

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