Ronald Clark's father was a live-in custodian at a New York City library. Clark tells his daughter about growing up surrounded by stacks of books — and how that shaped the man he would become.
U.S. Army Gen. John Nicholson told the Senate Armed Services Committee in February that the war in Afghanistan was at a "stalemate."
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With the Mandalay Bay Resort and Casino in the background, white crosses for the victims of the Las Vegas massacre stand on the south end of the Las Vegas Strip.
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A bump stock (left) fits on a semi-automatic rifle to increase the firing speed, making it similar to a fully automatic rifle. Some lawmakers are calling for restrictions on the device after the Las Vegas shooting.
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