PBS News Hour S42 E167 August 22, 2017

Tuesday on the NewsHour, we look inside President Trump's new plan for America's longest war. Also: Tensions heat up ahead of the president's rally in Phoenix, why students are promising to pay back part of their future salaries, CEOs distance themselves from the commander-in-chief, a tiny solution for housing and a book on whether the U.S. and China are destined for war.