The prison yard at the El Reno Federal Correctional Institution in El Reno, Okla., is seen during a visit by President Obama in July. Obama has advocated for prison reform during his time in office. Thousands of inmates are being released as the result of some changes in federal sentencing guidelines. Saul Loeb/AFP/Getty Images hide caption

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A TSA agent checks a bag at a security checkpoint area at Midway International Airport last month. The new federal government guidelines on racial and religious profiling won't apply to the TSA. Nam Y. Huh/AP hide caption

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John Lewis (left) and Stuart Gaffney embrace outside San Francisco's City Hall shortly before the U.S. Supreme Court ruling cleared the way for same-sex marriage in California in June. Noah Berger/AP hide caption

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In August, Attorney General Eric Holder told federal prosecutors to no longer hit low-level drug offenders with charges that carry mandatory minimum sentences. But it's not yet clear how broadly that directive is being interpreted. Stephen Lam/Reuters /Landov hide caption

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