Milwaukee County Sheriff David Clarke has advised residents in a new PSA that they should consider taking a firearm safety course to defend themselves in a crisis as they wait for police to arrive. Gary Porter/AP/Milwaukee Journal-Sentinel hide caption

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Illinois union members and supporters rally at the state Capitol on Thursday against legislation that would try to control the state's pension-fund shortfall by, in part, reducing pension benefits. Seth Perlman/AP hide caption

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A school bus drives past a welcome sign near the Chalk Hill Middle School in Monroe, Conn. Students from Sandy Hook Elementary in neighboring Newtown will attend the school in January. Lucas Jackson/Reuters/Landov hide caption

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"We're holding up the best that we can" after Friday's shootings, says Sandy Hook volunteer firefighter Anthony "Chip" Carpenter. David Schaper/NPR hide caption

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Superstorm Sandy caused massive beach erosion and damage to the Jersey shore. Some people say the beach restoration work, which will largely be paid for with federal tax dollars, will mostly help to protect expensive homes for the wealthy — people who have free access to the beach — while most communities would still be charging fees for public access. Doug Mills/AFP/Getty Images hide caption

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Atlantic City's boardwalk, with its shops, restaurants, casinos and hotels, was mostly protected during Hurricane Sandy by a dune restoration project. But TV images of one small section that was damaged gave the impression that the whole thing was destroyed. David Schaper/NPR hide caption

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Paramedics treat multiple gunshot victims in Chicago in August. Devlin Brown, Chicago Tribune/MCT/Landov hide caption

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Congresswoman Tammy Baldwin greets supporters at a campaign rally for President Obama on Nov. 3 in Milwaukee. Baldwin became the first openly gay candidate to win a U.S. Senate seat. Scott Olson/Getty Images hide caption

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