https://www.nytimes.com/2017/02/01/world/middleeast/donald-trump-yemen-commando-raid-questions.html
President Barack Obama’s national security aides had reviewed the plans for a risky attack on a small, heavily guarded brick home of a senior Qaeda collaborator in a mountainous village in a remote part of central Yemen. But Mr. Obama did not act because the Pentagon wanted to launch the attack on a moonless night and the next one would come after his term had ended.