“People here in the U.S. don’t understand these things about constitutional rights”

That’s what a Jordan-born man says he was told by airport security personnel when they asked him to remove his T-shirt before boarding a flight to California at John F. Kennedy Airport in New York. The man, whose name is Raed, says he was told “People are feeling offended because of your T-shirt.” Raed was wearing a shirt that said in both Arabic and English, We Will Not Be Silent. He was asked to put on another shirt instead, but all of his other shirts were in his checked baggage.

“Isn’t it my constitutional right to express myself in this way?” was Raed’s question, to which one of the security people replied, “”People here in the U.S. don’t understand these things about constitutional rights” Raed’s answer: “I live in the U.S., and I understand it is my right to wear this T-shirt.”

“You can’t wear a T-shirt with Arabic script and come to an airport. It is like wearing a T-shirt that reads ‘I am a robber’ and going to a bank,” was the security man’s rejoinder.

British holidaymakers staged an unprecedented mutiny - refusing to allow their flight to take off until two men they feared were terrorists were forcibly removed.

The extraordinary scenes happened after some of the 150 passengers on a Malaga-Manchester flight overheard two men of Asian appearance apparently talking Arabic.

Passengers told cabin crew they feared for their safety and demanded police action. Some stormed off the Monarch Airlines Airbus A320 minutes before it was due to leave the Costa del Sol at 3am. Others waiting for Flight ZB 613 in the departure lounge refused to board it.

Let’s see. A frightened mob selects a couple victims, accuses them of being would-be criminals without any evidence whatsoever, forcibly robs them of the cost of transcontinental airfare, and threatens anyone (pilots and airline personnel) that questions either their verdict or their right to exact “justice.”

There’s only one word for this. It’s vigilantism, pure and simple. It’s no different than any other kind of lynch mob. And it is beneath the dignity of a civilized society.

The reasons for and righteousness of the anger on display here are under furious discussion on both the left and right sides of the blogosphere. (See The Mahablog and Glenn Greenwald for two useful perspectives.)

But there’s far more at stake here than meets the eye. If these vigilante mobs are allowed to get their way on airplanes, what’s to stop them from taking their show on the road? Are we going to see subway mobs assaulting brown people on train platforms to “prevent” subway bombings? Are restauranteurs going to find themselves under pressure from upset diners not to hire — or seat — certain “frightening” classes of people? Will neighborhood groups press realtors to stop selling local homes to specific ethnic groups, for fear property values will drop? Or will they, perhaps, subject “undesirable” neighbors to harassment campaigns until they’re forced to move on?

This all sounds far-fetched — until you realize that we’re hardly forty years past an era when most of this was standard operating procedure in much of America. Vigilante justice, racial segregation in public accommodations, real estate redlining, and sundown towns are part of a past that we’ve worked hard to leave behind. It will be a disgrace to all of us if we allow a few irrational bullies on airplanes put us on the road to bringing it all back.

This is the paradox of waging an unpopular, morally ambiguous war.

What happened to 19-year-old Lance Cpl. Matt Solowynsky at the beginning of this year shows another aspect of the strain. The process of dehumanizing the enemy — the sine qua non of every war in human history, and crushingly obvious when a war grinds on without a clear strategic objective — sooner or later backs up on itself.

Part of the toxic waste of war embeds itself in the emotions and the soul of the combatants. That Guantanamo energy, that gusto to terrorize helpless detainees, to humiliate unarmed civilians, isn’t so easily contained, and begins corrupting the whole system. When a designated enemy isn’t available, anyone — a new recruit, say — will do.

“He didn’t do anything but be a gung-ho Marine,” said Tod Ensign of Citizen Soldier (citizen-soldier.org), the organization that eventually came to Solowynsky’s aid. Indeed, he was the highest ranked recruit in his class when he graduated from Marine Corps Basic Training last September. How odd that, a few months later, he was AWOL, fleeing Camp Pendleton, Calif., as though he were a POW.