President Trump kicks off his Middle East trip by signing a new economic agreement with Saudi Arabia. #foxnews Featured guests: General Stanley McChrystal (Ret.) author of the new book “ON CHARACTER: Choices That Define a Life” Mollie Hemingway, Fox News Contributor, Editor-in-chief of The Federalist Patrick McGee, author of the new book “APPLE IN CHINA: The Capture of the World's Greatest Company” Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com