Extending the No-Fly Zone

The no-fly list faces frequent criticism but hasn't stopped expanding

The no-fly list created by U.S. authorities, which singles out passengers who are potential terrorist threats, is the target of frequent criticism that it's incomplete and unreliable. But that hasn't stopped it from expanding dramatically. Aviation sources say the list has grown to more than 31,000, up from 19,000 last September. And a little noticed incident on April 8, involving a Dutch KLM 747 flight from Amsterdam to Mexico City, may result in the list being used even more aggressively. The plane was forbidden by American authorities to enter U.S. airspace because the Department of Homeland Security discovered after the flight...