> The irony is that almost every single one of the countries these foreigners come from would do exactly the same thing were the shoe on the other foot.

I'm having a hard imagining Canada, Australia, New Zealand, France, Norway, Switzerland, Germany, the UK, the Netherlands, Spain, Sweden, Finland, Denmark, or Italy, to name a few countries of the countries from which scientists have come to work on NIST projects putting these kind of restrictions on American scientists coming to work on non-classified research at their labs.