Well NASA is run by the government, and the government passed this law. I'm in your boat, but I think you're right. However if they violated it it would be inte

Well NASA is run by the government, and the government passed this law. I'm in your boat, but I think you're right. However if they violated it it would be interesting to see who'd be thrown under the bus. That said this is just another law designed to further tension IMO. If you created a rule that designated the information conferences were bilateral, and that the nations all share in their fields, then that would be fair, however creating a rule that bans a foreigner, will only increase tensions, possibly creating a ban against Americans in similar conferences held in China. Maybe China bans US nationals from a conference on Architecture? Then US opinion gets increasingly anti-China, forgetting the pretext that caused said most recent bad decision. I guess what I'm trying to say is that bad policy builds up technical-debt, especially in foreign affairs.