Overnight Defense: Trump shifts tone on Saudis | New pressure from lawmakers | Trump: 'Certainly looks' like Khashoggi dead | Pompeo gives Saudis days to wrap up investigation | Trump threatens military action on border to stop migrants

Happy Thursday and welcome to Overnight Defense. I'm Ellen Mitchell, and here's your nightly guide to the latest developments at the Pentagon, on Capitol Hill and beyond. And if you don't get our newsletter, CLICK HERE to subscribe.&...