Retired Lt. Gen. H.R. McMaster, who commanded U.S. troops in Iraq, says the withdrawal could strengthen Iran and leave Iraq more vulnerable to ISIS.

(Image credit: Susan Walsh)

NPR's Michel Martin speaks with Robert Malley, a negotiator of the 2015 Iran nuclear deal, about where talks stand after President Trump rejected Iran's offer to reopen the Strait of Hormuz.

NPR's Michel Martin speaks with retired Lt. Gen. H. R. McMaster, former U.S. National Security Advisor, about the impact the final withdrawal of U.S. troops from Iraq will have on the Middle East.