Master Sommelier Mark Oldman, dressed as the character Dirk Diggler from the movie “Boogie Nights,” shows off one of the bottles of the Mulderbosch 2004 Sauvignon Blanc Oldman purchased from the collection of former investment advisor Bernie Madoff. As part of his seminar Saturday during the Food & Wine Classic in Aspen, Oldman shared two of these wines and urged the audience to “Drink bravely.”