History suggests that capitalism is a necessary condition for political freedom. Clearly it is not a sufficient condition.
Milton Friedman, 1912-2006, American economist and Nobel Laureate.
Update: “Oops” for the misspelling in the page URL, due to pre-espresso posting. One more like this and I’ll have to fire my proofreader. But I’ll leave it for now so my Tweet and FB post won’t go to a 404 page.