right. that was a clear rebuke to donald trump, especially on this issue of a religious test for muslims. a lot of strong language coming from the president. at the very end, we also heard a thank you from president obama to these troops who are here listening and cheering on their president. this was the first post presidential speech barack obama gave. he sounded like a historian, like a law professor, when he's laying out in six bullet points what we wants his counterterrorism strategy to be remembered for. and you're right in saying, it was remarkably defensive, not just to attacks on the right. napeltly was he responsible for the proliferation of isis during his presidency. but also drone attacks, and also guantanamo, saying, yes, he's transferred 175 troops, that base just a few hundred miles south of here in cube a remains open, there are 59 detainees still there.