The Obama administration’s brain trust on how Trump’s rejection of the global climate change agreement is a monumental blunder.
An insider’s view on how we got here — and what Trump can do about it.
Members of Congress considering new Iran sanctions legislation should have open eyes regarding the Trump administration's attitude toward the nuclear deal.
Does he have a security clearance or not?
We'll offer our take on how we think he did later in the week.
Cutting a bargain with Moscow to cooperate in the fight against the Islamic State would be a disaster for U.S. security and influence.
Colin H. Kahl is an associate professor in the security studies program at Georgetown University’s Edmund A. Walsh School of Foreign Service. From 2014 to 2017, he was deputy assistant to President Barack Obama and national security advisor to Vice President Joe Biden. From 2009 to 2011, he served as the deputy assistant secretary of defense for the Middle East. In 2011, he was awarded the Secretary of Defense Medal for Outstanding Public Service by Secretary Robert Gates. He lives in Washington, D.C. with his wife and two children. Kahl is a co-editor of Shadow Government.