Overnight Defense: CIA chief briefs Trump on Khashoggi | Saudi official now says killing was premeditated | Mattis reportedly plans to deploy 800 troops to border | New inspection grounds some F-35s

Happy Thursday and welcome to Overnight Defense. I'm Rebecca Kheel, and here's your nightly guide to the latest developments at the Pentagon, on Capitol Hill and beyond. CLICK HERE to subscribe to the newsletter. THE TOPLINE:&...