The coast and the interior are growing furiously apart.  We are not talking about China.  We are talking about California, or the state where the cities of the coast and the towns of the interior seem headed for divorce court. Over the weekend, a friend directed me to this post by Joel Kotkin about the situation:   California may never secede, or divide into different states, but it has effectively split into entities that could not be more different.  On one side is the much-celebrated, post-industrial, coastal California, beneficiary of both the Tech Boom 2.0 and a relentlessly inflating property market.  The other California, located in the state's interior, is still tied to basic industries like homebuilding, manufacturing, energy and agriculture. It is populated largely by working- and middle-class people who, overall, earn roughly half that of those on the coast. Over the past decade or two, interior California has lost...(Read Full Post)