Welcome to the Sweet Summer Sundress and Seersucker Soiree Potluck (Prizes for men with white bucks).  Get beyond the sultry swelter of summer’s sinister sequester and serve something simply splendid, succinct, short, sweet, or scrumptious delivered with a smile.  Prepare what makes you happy, make it local if you can, and of course the markets make that an easy job this time of year.  Also bring…