"Defense Secretary Jim Mattis’ resignation, which shocked Washington’s national security establishment and rattled America’s allies, was sealed in a fateful 18-hour period that saw President Trump resolve to withdraw troops from Syria – alarming Pentagon officials who see America’s role in the region as crucial." foxnews.com/politics/behind-the-scenes-of-the-mattis-bombshell-more-resignations-expected-after-protest-exit
(Score: 1) by khallow on Tuesday January 01 2019, @01:57PM
And it's worth noting here that US/Saudi Arabia-provided weapons don't have this magic power to force their users to attack US allies. ISIS would have invaded Iraq anyway because that is what they chose to do.