I think Milton Friedman had some great (albeit biased) lectures in which he analyzed these issues from a consequentialist libertarian point of view:<p><a href="http:&#x2F;&#x2F;m.youtube.com&#x2F;watch?v=8q71hrwUcu0" rel="nofollow">http:&#x2F;&#x2F;m.youtube.com&#x2F;watch?v=8q71hrwUcu0</a>