However, if this poster or any other would quote Templeton's exact statement as to WHY he renounced his U.S. citizenship (from that book or any other verifiable source), that would be a useful addition to this discussion.
http://www.truthandpolitics.org/top-rates.php#fn-7
The link is to a table of marginal income tax rates in the US since the Fed came into being. In 1962 the top rate was effectively 87%. I have a suspicion that this influenced his decision. If his income at that time qualified him for this privilege I'd say he was paying more than his fair share of taxes.