[IMGCAP(1)] Ah, the ubiquitous BlackBerry. Luckily there are no potholes where this Hill staffer is walking. It’s bad enough that you can get “BlackBerry thumb,” you don’t want to sustain further injury. Do you know exactly where he is? Check back next week for the answer.

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Meanwhile, these Civil War soldiers also are on the march. The frieze is on the outside of the National Building Museum. Those guns are a little heavier — and a little more dangerous — than the BlackBerry.