The shooting of U.S. Rep. Gabrielle Giffords (D-Ariz.) and 18 others in a violent rampage at a public event Jan. 8 in Tucson, Ariz., is likely to have effects that ripple all the way into space.Giffords, the wife of NASA as-tronaut Mark Kelly, was shot in the head outside a Safeway supermar-ket, where she was holding a con-stituent meeting, shortly after 10 a.m. local time. Six people were killed and 13 others were wound-ed, including Giffords.
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