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Does anyone know the ostensible justification for this?

Isn't the NCSA government-funded? If so, they've probably got less slack in what they can get away with than private citizens; the NSA's got more leverage over their funding, especially if "Supercomputer Applications" are often military or civilian-govt. Not only do they have to worry about ITAR as law, they have to worry about their continued cash flow. #-- # Thanks; Bill # Bill Stewart, Freelance Information Architect, stewarts@ix.netcom.com # Phone +1-510-247-0663 Pager/Voicemail 1-408-787-1281