President Trump is saying his actions surrounding Venezuela are part of the "Donroe Doctrine," a play off his name and the 19th century Monroe Doctrine. Former CIA Director John Brennan joins Katy Tur to share his reaction and why he believes Trump is sending a signal to other countries like Iran. MS NOW: My Source for News, Opinion, and the World. Same mission. New name. » Subscribe to MS NOW: https://www.youtube.com/@msnow MS NOW is the go-to destination for domestic and international