THANK YOU for posting this!
Free to Choose has to be just about the clearest defense of free market principles there's ever been!
The Sowell retort is priceless. It reminds me of this discussion of ,
the Good Samaritan's Paradox
which reminds me of Ronald Reagan's immortal words: The ten scariest words in the English language are 'I'm from the federal (Pennsylvania?) government and I'm here to help.'