U.S. Secretary of War Pete Hegseth said a U.S. submarine sunk an Iranian warship, and that his country is 'winning war in Iran.' But the White House has struggled with its messaging about why it started the war in the first place. Former U.S. State Department official Andrew Miller says that's 'characteristic' for the Trump administration. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow