Manolo says, here is the Manolo’s latest column for the Express of the Washington Post. Dear Manolo, My new boyfriend, who works for a technology company, has invited me to his annual corporate picnic. I’ve decided I’m going to wear a nice sundress, what would you recommend in the way of shoes? Charlotte Manolo says, the Manolo can only imagine what sort of the hi-jinks the techno-geeks get up to at the annual company picnics. On the surface it is probably just like any other corporate outing, the afternoon of roast weinnies, forced jollity, and the potentially career-ending fuax pas,…