The Republican Identity Crisis Over the Iran War

The war in Iran has created strong divisions among President Trump's supporters. An anti-interventionist wing of the Republican coalition and some senior administration officials partial to Mr. Trump's criticism of long overseas conflicts have quickly become uneasy about the war, which has shown no immediate signs of ending.

Robert Draper, a domestic politics journalist for The New York Times based in Washington, discusses Mr. Trump's justification for the war and whether he is explicitly violating a pact he made with his base not to start another.