Hi Craig,
If the domain is truly being squatted on, such as referring to a UN
entity but being used in bad faith, you DO NOT need to buy the domain.
WIPO (in Geneva!) operates a "small claims court" that for $1,500 USD
will investigate cases of squatting and turn the domain over to the
rightful owner. Their website publishes a list of all their decisions.
You can see that the decisions usally follow common sense and are in
plain English.
http://www.wipo.int/amc/en/domains/
Example case: Grand Valley State University vs GVSU.com
http://www.wipo.int/amc/en/domains/decisions/html/2006/d2006-0474.html
I'm pasting below a copy of the criteria that WIPO generally uses:
According to paragraph 4(a) of the Policy, for this Complaint to
succeed in relation to the Domain Name, the Complainant must prove
that
(i) The Domain Name is identical or confusingly similar to a trademark
or service mark in which the Complainant has rights; and
(ii) The Respondent has no rights or legitimate interests in respect
of the Domain Name; and
(iii) The Domain Name has been registered in bad faith and is being
used in bad faith.
Hope this helps.
Dave