WASHINGTON — As a South Carolinian, it befalls me to examine the peculiarities afflicting our former governor and now-congressman Mark Sanford, who, contrary to decorum and taste, continues to demand attention. Yes, that Mark Sanford — the erstwhile Appalachian Trail wanderer who in 2009 found himself not out hiking, as his gubernatorial staff had reported, but befuddled and besotted in Argentina with his longtime soul mate, Maria Belen Chapur. Fast forward through a tearful news conference, during which Sanford all but plummeted to a fainting couch confessing his infidelity, through his high-profile separation from his wife, Jenny, then next to his mysterious re-election to the congressional seat he held prior to becoming governor and ... wait, fire the writer!