U.S.

Associated Press
A traveler passing through a security check point holds his Ziploc bag at Portland International Airport Tuesday, May 8, 2012, in Portland, Ore.  Airport security procedures, with their intrusive pat downs and body scans, don’t need to be toughened despite the discovery of a new al-Qaida airline bomb plot using more sophisticated technology than an earlier attempt, congressional and security officials said Tuesday. (AP Photo/Rick Bowmer) 

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