While Rep. Giffords recovers, her staff has continued to work. As this file photo of the office's in/out board shows, though, they do so knowing that one aide — Gabe Zimmerman — was killed in the Jan. 8 rampage. Allen Breed/AP hide caption

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Japanese Self-Defense Force soldiers walked in a line after finding the body of a boy in the rubble in Higashimatsushima, Miyagi prefecture earlier today (March 31, 2011). Yasuyoshi Chiba/AFP/Getty Images hide caption

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NPR's Jon Hamilton

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President Obama gestures during his speech on America's energy security, Wednesday, March 30, 2011, at McDonough Gymnasium at Georgetown University Pablo Martinez Monsivais/AP hide caption

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