Guest article written for AllAboutAlpha.com – the official publication of the  Chartered Alternative Investment Analyst (CAIA) Association Originally posted at: http://allaboutalpha.com/blog/2012/08/05/the-sub-prime-lesson/ It’s difficult to downplay the severity of the sub-prime mortgage crisis. Between June 2007 and the end of summer in 2008- American’s lost over a quarter of their net-worth.  Home…