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The House Committee on Oversight and Government Reform's top Democrat, Rep. Elijah Cummings seen here in 2017, co-signed a letter requesting a subpoena for documents about the 2020 census citizenship question from the Census Bureau and Commerce Department, which oversees the census. Win McNamee/Getty Images hide caption

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Call center employees work for the Facebook Community Operations Team in Essen, Germany, on Nov. 23. The workers review Facebook content and delete it if fails to meet the company's standards. Martin Meissner/AP hide caption

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Martin Meissner/AP

Facebook Updates Community Standards, Expands Appeals Process

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The new exemptions will mostly apply to penalty payments tied to 2018 taxes and to the previous two years. PeopleImages/Getty Images hide caption

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Former Central Intelligence Agency Director Gen. Michael Hayden, who served under Presidents George W. Bush and Barack Obama, has come out against the Trump travel ban. David Hume Kennerly/Getty Images hide caption

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Hayden: "I'm A Creature Of The Executive Branch"

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Mohammad Javad Zarif, the foreign minister of Iran, poses for a portrait. Elias Williams for NPR hide caption

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Iran's Foreign Minister: Renegotiating Nuclear Deal Would Damage U.S. Credibility

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A man rides a LimeBike in Washington, DC. AFP/Getty Images hide caption

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#ScootersBehavingBadly: U.S. Cities Race To Keep Up With Small Vehicle Shares

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The U.S. Army's Autonomous Remote Engagement System is mounted on the Picatinny Lightweight Remote Weapon System and coupled with an M240B machine gun. It's part of a program that reduces the time to identify targets using automatic target detection and user-specified target selection. U.S. Army hide caption

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U.S. Army

Autonomous Weapons Would Take Warfare To A New Domain, Without Humans

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Former President George W. Bush wheels his father, former President George H.W. Bush, into St. Martin's Episcopal Church on Saturday for former first lady Barbara Bush's funeral, in Houston. Pool/Getty Images hide caption

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Police tape blocks off a Nashville, Tenn., Waffle House restaurant where at least four people died after a gunman opened fire early Sunday. Mark Humphrey/AP hide caption

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Mark Humphrey/AP

Waffle House Shooting Underscores How Gun Laws Vary From State To State

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Under sweeping new recommendations from the American College of Obstetricians and Gynecologists, doctors would see new mothers sooner and more frequently, and insurers would cover the increased visits. FatCamera/Getty Images hide caption

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During Investigation, 'Propublica' Finds Issues With Chicago Gang Database

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Why The Waffle House Shooting Suspect Had Access To Guns After His Were Seized

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Nashville Police Say Waffle House Shooting Suspect Is In Custody

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