Amb. John Herbst, director of the Atlantic Council’s Dinu Patriciu Eurasia Center and former US ambassador to Ukraine and Uzbekistan, says President Donald Trump’s proposed troop surge won’t turn the tide in Afghanistan and that self-imposed limitations on manpower and funding make a US victory there impossible during an Aug. 29, 2017, interview with Defense & Aerospace Report Editor Vago Muradian at the organization’s offices in Washington.