Year over year home sales rose 21 percent from July 2010 to July 2011 (just as I had forecast last month in my blog, ???Also expect an increase year-over-year in July due to the June 2010 cannibalization effect of housing sales from the $8,000 tax incentive. ???) What I had not forecast, however, was a continuing deterioration of an already feeble housing market as sales dropped 3.5 percent sequen