President Donald Trump speaks at Fort Myer in Arlington Va., Monday, Aug. 21, 2017, during a Presidential Address to the Nation about a strategy he believes will best position the U.S. to eventually declare victory in Afghanistan. (AP Photo/Carolyn Kaster)
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Trump: Our support is not a blank check
Anderson Cooper 360
President Donald Trump says the United States' support to Afghanistan is not a "blank check" and "patience is not unlimited. "
01:21 - Source: CNN
The war in Afghanistan 15 videos
President Donald Trump speaks at Fort Myer in Arlington Va., Monday, Aug. 21, 2017, during a Presidential Address to the Nation about a strategy he believes will best position the U.S. to eventually declare victory in Afghanistan. (AP Photo/Carolyn Kaster)
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Trump: Our support is not a blank check
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Alleged Taliban fighters and other militants stand handcuffed while being presented to the media at a police headquarters in Jalalabad on March 6, 2018. Afghan police said over 17 alleged Taliban militants including two Pakistani nationals were arrested during a five-week operation in Nangarhar province. / AFP PHOTO / NOORULLAH SHIRZADA (Photo credit should read NOORULLAH SHIRZADA/AFP/Getty Images)
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The Taliban: How it began, and what it wants
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Pence: Proud of US troops in Afghanistan
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Trump on Afghanistan plan: 'Attack we will'
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US President Donald Trump speaks during his address to the nation from Joint Base Myer-Henderson Hall in Arlington, Virginia, on August 21, 2017. Trump said a rapid Afghan exit would leave 'vacuum' for terrorists. / AFP PHOTO / Nicholas Kamm (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
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The pillars of Trump's Afghanistan strategy
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CAMP BLESSING, AFGHANISTAN - OCTOBER 22: Artilerymen await coordinates before firing a 155mm Howlitzer on a Taliban position October 22, 2008 from Camp Blessing in the Kunar Province of eastern Afghanistan. Their unit, Charlie Battery, 3rd Battalion of the 321 Field Artilery, has fired more than 5,900 shells since it deployed to Afghanistan less than a year ago, making it the busiest artilery unit in the U.S. Army, according to to military officers. They most often fire in support of Army infantry units battling Taliban insurgents in the nearby Korengal Valley, site of some of the heaviest fighting in Afghanistan. (Photo by John Moore/Getty Images)
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Trump: US in Afghanistan to kill terrorists
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US President Donald Trump speaks during his address to the nation from Joint Base Myer-Henderson Hall in Arlington, Virginia, on August 21, 2017. Trump warned Monday that a hasty exit from Afghanistan would create a "vacuum" that would benefit America's jihadist foes, in a major policy address on his strategy in the 16-year conflict. / AFP PHOTO / Nicholas Kamm (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
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Trump calls terrorists 'losers'
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US President Donald Trump walks by as reporters shout questions to him upon his arrival on the South Lawn at the White House on August 14, 2017 in Washington, DC. Later today President Trump will be meeting from Attorney General Jeff Sessions and FBI Director Christopher Wray regarding this weekendÕs events in Charlottesville, Virginia. (Mark Wilson/Getty Images)
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Will Trump send more troops to Afghanistan?
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WASHINGTON, DC - JUNE 13: U.S. Defense Secretary James Mattis testifies before the Senate Armed Services Committee during a hearing in the Dirksen Senate Office Building on Capitol Hill June 13, 2017 in Washington, DC. Mattis and other Pentagon leaders testified about the proposed FY2018 National Defense Authorization Budget Request. (Photo by Chip Somodevilla/Getty Images)
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An injured man is transported after a car bomb attack in western Kabul, Afghanistan, on Monday, July 24.
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