B A G H D A D, Iraq, Nov. 5 -- Iraq sent domestic passenger flightscarrying 154 people into skies patrolled by U.S. and Britishwarplanes today, the first challenge of its kind to the no-flyzones that ...

You’re probably familiar with the concept of the no-fly zone: It’s protected airspace over, say, sensitive military areas or the Kurdish areas of Iraq. But you might be surprised to learn there’s a no ...