'.', the DNS root zone, is considered the property of the US Dept. of Commerce, so, no.
However, I could see a seizure of a domain in a different country's TLD (ccTLD to be specific) causing a diplomatic scuffle between the US and the foreign country. I can't imagine France would be thrilled with the FBI seizing 'foo.co.fr' or something.
Would that work in the face of caching? If my resolver already has .se cached, for example, it wouldn't consult the root at all when looking up thepiratebay.se, right?
.local conflicts directly with the mDNS protocol (used by Apple Bonjour and Linux Avahi service-discovery systems).
.is, however, is managed by Iceland. Iceland has been positioning itself as a haven for organizations concerned about free-speech and broad-sweeping censorship.
However, I could see a seizure of a domain in a different country's TLD (ccTLD to be specific) causing a diplomatic scuffle between the US and the foreign country. I can't imagine France would be thrilled with the FBI seizing 'foo.co.fr' or something.