Katrina S. Firlik Credit: Steve Moors

A few months ago, I sifted through a stack of junk mail on my desk--"Neurosurgery Opportunity in North Dakota," "Advances in Acromegaly," "Katrina, Join Us in New Orleans!"--and tossed most of it. At the bottom of the pile was a big, floppy, colorful 2008 calendar from medical-device maker Medtronic. This I lingered over for a moment, then saved.

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