U.S. airlines have banned 4,000 people over the last year due to bad behavior

Over the past year, more than 4,000 people have been banned by U.S. airlines, including one woman on a JetBlue flight who refused to wear a mask, threw food and an empty liquor bottle at flight attendants, and then grabbed and hit two members of the crew. That passenger was on a Feb. 7 flight from the Dominican Republic to New York, and the pilot was forced to turn around after her outburst. In January, the Federal Aviation Administration announced a zero-tolerance policy for belligerence on air...