It seems that the news is full of dire warnings for the future of "Americass Middle Class".  This seems to be the current political catch phrase.  What is the middle class?  Since no one agrees on how to best define the term middle class, who are we saving?  Are we talking about the upper middle class, the lower middle class, or the middle majority?  Are we not concerned about the working class?  What about the homeless who can't get a job because they have no address?  Do we suddenly hate a…