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On Apr 3, 2012, at 9:48 PM, Roberto Ierusalimschy wrote: > What is "HSA"? I assume the OP meant 'TSA', theTransportation Security Administration. TSA Logo Contest http://www.schneier.com/blog/archives/2010/01/tsa_logo_contes.html [1] http://en.wikipedia.org/wiki/Transportation_Security_Administration