Friday as a whole wound up being something of a comedy of errors - the first half of the day was supposed to be spent at the dentist's office having stage two of my emergency root canal performed (building up the plastic post, taking the cast for the permanant crown, and placing the temporary), but per usual things started going south. While out running an emergency errand on Friday morning I got a call from my boss - not only had I been re-assigned to another project at the last minute but there was apparantly a pressing need to show up at …