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Originally published Saturday, April 27, 2013 at 7:02 PM

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Commentary: Knives on planes? It’s a good idea

Getting all worried about small knives on planes is the wrong focus for the TSA — and for the public — say Bloomberg News editors in a commentary.

Bloomberg News

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The Transportation Security Administration recently delayed its plan to allow passengers to carry pocketknives, hockey sticks and golf clubs aboard airplanes.

With the Boston Marathon terrorism prominently in the news — and opposition to the TSA plan surging from flight attendants and others in the airline industry — this decision was perhaps inevitable. It’s also wrongheaded.

To a public that has gone along with relinquishing hand lotions, bottled water and other seemingly innocuous items, it may seem absurd the TSA was even considering allowing knives on board planes. To the contrary, it was an indication that, after years of trial and error, the agency was finally getting smart about security.

The prohibition against small knives is, first of all, ineffective. As the former administrator of the TSA, Kip Hawley, has pointed out, a terrorist could assemble a “12-inch razor-sharp sword” using a soda can, a key, a ruler and some tape. The current administrator, John Pistole, has said a passenger could simply smash a wine bottle he purchased on board.

Small scissors and screwdrivers have been allowed through U.S. security since 2005 without incident. Other countries have allowed pocketknives since 2010. Yet highly trained TSA screeners still have to devote time and attention to the 2,000 small knives they find every day. Each of these incidents requires two or three minutes to resolve. That’s no small hindrance. Every additional banned item that TSA agents must root through your luggage for distracts them from looking for what really matters — nonmetallic explosives, which are a serious and evolving threat that could bring down a plane.

The TSA’s job isn’t to make sure that nothing bad ever happens on an airplane. Its job is to make sure no one blows up a plane or intentionally crashes one into a building again.

You will probably hear people — many of them in Congress — point out that the Sept. 11 hijackers used box cutters to gain control of the planes they brought down. This may be true. But three things have since changed.

Cockpit doors are now locked and reinforced. The Federal Air Marshal Service has been substantially expanded. And the flying public now knows to disarm potential hijackers — as it did with the terrorists aboard United Flight 93 on Sept. 11, with the “shoe bomber” Richard Reid in 2001, and with the “underwear bomber” Umar Farouk Abdulmutallab in 2009.

The next terrorist who attempts to strike an American airliner won’t be fooling around with knives and box cutters, because they won’t work. He’ll use weapons you probably haven’t thought of. In response, the TSA shouldn’t endlessly try to update a list of banned items — it should focus on identifying dangerous people instead. That means prioritizing threats and sharpening intelligence.

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