In a widely anticipated national address, President Donald Trump on Monday announced that he will not pull out U.S. troops from Afghanistan, saying he’s committed to a new strategy aimed at winning the nation’s longest war, now in its 17th year. Admitting that his “original instinct was to pull out” of Afghanistan – Trump’s core campaign pledge was to reduce US intervention in offshore conflicts – Trump effectively admitted he had been wrong, and said he’s arrived at three “fundamental conclusions” about America’s core interests in Afghanistan: