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Eagles' fatal flaw: time of possession

CHIP KELLY employs a team chiropractor, a sports psychologist and a director of sports and science re-conditioning, whatever that might be. Sounds fascist.

What he really needs is a staff geologist.

From "The Wave" in Arizona to "The Stacks" in Italy, a world traveler like Kelly must have encountered remarkable sights sculpted from rock. A Renaissance man with a passion for knowledge, Chippah must have wondered how these edifices came to be.

Most grade-school students could promptly educate him: It is, of course, erosion.

This phenomenon occurs when wind and water combine with the most important element: time.