nah, more likely by their sympathizers at Time Warner.
There was an earlier report that another European chief executive (the President of Poland, perhaps?) had given his personal webpage over to Saakashvili’s use. This could be the reason.
yes, per another thread here. The polish government is mirroring the Georgian site. The link is somewhere around here.
More than likely. But traceroute, whois, etc. might provide you with some hard evidence.
That could be caused by lots of things -- from sabotage, to cache poisoning, to intentional blocking, to scheduled maintenance (to address the worldwide DNS issue from the end of last month).
Patience is a virtue -- wait a couple hours, and try again.
The specifics are on this blog (linked from above Washington Post article):
RBN (Russian Business Network) now nationalized, invades Georgia Cyber Space
Scroll down the page for details and traceroutes on president.gov.ge and other Georgia sites.
The parent site is working for me, but the English translation is down.