Put another way, Trump wouldn’t honor a treaty our own allies invoked to come to our defense after 9/11. https://t.co/45Y3f69HFD

— Tom Nichols (@RadioFreeTom) July 21, 2016

Another blockbuster development tonight:Trump wouldn’t necessarily honor NATO treaty if Russia invades a NATO member https://t.co/dfqL9gc39D

— Chuck Todd (@chucktodd) July 21, 2016