The official repository of retired U.S. government records is a boxy white building tucked into the woods of suburban College Park, MD. The National Archives and Records Administration (NARA) is a subdued place, with researchers quietly thumbing through boxes of old census, diplomatic, or military records, and occasionally requesting a copy of one of the computer tapes that fill racks on the climate-controlled upper floors. Researchers generally don't come here to look for contemporary records, though. Those are increasingly digital, and still repose largely at the agencies that created them, or in temporary holding centers. It will take years, or decades, for them to reach NARA, which is charged with saving the retired records of the federal government (NARA preserves all White House records and around 2 percent of all other federal records; it also manages the libraries of 12 recent presidents). Unfortunately, NARA doesn't have decades to come up with ways to preserve this data. Electronic records rot much faster than paper ones, and NARA must either figure out how to save them permanently, or allow the nation to lose its grip on history.

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