Video out of China appears to show an unruly passenger wearing a "Make America Great Again" hat being escorted from a United Airlines flight. According to social media posts from at least one person on the flight from Shanghai to Newark, New Jersey, the man was making outrageous demands of the flight crew leading up to the recording. The man's alleged behavior, some of which can be seen in the footage, was so unruly the flight crew ended up asking every passenger to leave the plane. The already delayed flight didn't end up leaving Shanghai for three more hours, and once it did, the pilots were forced to make an unscheduled stop in San Francisco in order to swap out the exhausted crew, according to United.<br/>