This article was posted on the General thread by ddzx.
I thought it was very pertinent to the general discussion on this thread about the US Fed and Central banks.
Very interesting, nothing I didn't really know but this buy puts it very concisely.
All credits to DDZX for this post
http://hotcopper.com.au/post_single.asp?fid=4&tid=2170859&msgid=12805029