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	LOS ANGELES, CA - MAY 02: Transportation Security Administration (TSA) agents screen passengers at Los Angeles International Airport on May 2, 2011 in Los Angeles, California. Security presence has been escalated at airports, train stations and public places after the killing of Osama Bin Laden by the United States in Abbottabad, Pakistan. (Photo by Kevork Djansezian/Getty Images)
	LOS ANGELES, CA - MAY 02: Transportation Security Administration (TSA) agents screen passengers at Los Angeles International Airport on May 2, 2011 in Los Angeles, California. Security presence has been escalated at airports, train stations and public places after the killing of Osama Bin Laden by the United States in Abbottabad, Pakistan. (Photo by Kevork Djansezian/Getty Images)

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    How effective are TSA's screening methods?

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How effective are TSA's screening methods?

The Government Accountability Office is questioning the effectiveness of the Transportation Security Administration's airport screening methods.

How effective are TSA's screening methods?

The Government Accountability Office is questioning the effectiveness of the Transportation Security Administration's airport screening methods.