Neal Conan atop XL, a cross between a draft horse and a Morgan. He rode XL for two days, and Bruce the other three. Gretel Ehrlich/ hide caption

toggle caption Gretel Ehrlich/

This traveler got the pat-down treatment at Chicago's O'Hare Airport on Tuesday. Scott Olson/Getty Images hide caption

toggle caption Scott Olson/Getty Images

On Opt-Out Day

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