19th Nervous Breakdown. "George W. Bush is withdrawing more and more from aides and senior staff, retreating into a private, paranoid world where only the ardent loyalists are welcome. ... Bush's erratic behavior and sharp mood swings led White House physician Col. Richard J. Tubb to put the President on powerful anti-depressant drugs ... but White House insiders say the strong, prescription medications seem to increase Bush's sullen behavior towards those around him. ..."
It's hard to say how reliable this is, but CHB (and I don't mean Shaughnessy) has published several similar stories over the past few months; plenty more here.
In a similar vein, if Americans are unhappy with low-quality/low-paying jobs, Susan Sheybani, an assistant to Bush campaign spokesman Terry Holt, suggests: "Why don't they get new jobs if they're unhappy -- or go on Prozac?"