Um... say what?
Why would anyone in favor of free trade be opposed to self government? And what exactly is a "liberal free trader" anyway. Liberal means socialist in American political jargon and is the opposite of free trade. The place one finds advocates for free trade is among Conservatives and Libertarians.
“In 1848, Karl Marx said: “Free trade breaks up old nationalities ... in a word, the free trade system hastens social revolution.” Henry Kissinger said that NAFTA represented “the most creative step toward a New World Order.””
http://www.modernhistoryproject.org/mhp/ArticleDisplay.php?Article=FinalWarn08-6