If you're a behavioral healthcare provider that, in the midst of yet another difficult quarter, is asking, “Why can't I work in a hot growth business?” you need to take another look around. Why? Because the $3.1 billion ($2 billion cash, $1.1 billion debt) acquisition of Psychiatric Solutions, Inc. (PSI) by Universal Health Services (UHS), announced in May 2010 and completed in November, has focused investor attention on what analysts...