Is this what it takes to ban alcohol on planes? (Subscribers only)

Two airlines have postponed the reintroduction of alcohol on their planes, but some say it may be permanent

Two teeth.

That may be what it takes to ban alcohol on U.S. flights. Last month, a passenger assaulted a flight attendant on a Southwest Airlines flight from Sacramento to San Diego, knocking out two of her teeth, according to harbor police. 

The reaction: Southwest Airlines and American Airlines decided to "postpone" the reintroduction of alcohol on thei…