We’re deep in the dog days of summer, and only in New Orleans would that be an excuse for a party. On the first Saturday in August, some 30,000 people will deck themselves in white attire and hit Julia Street for the 25th annual White Linen Night. It’s a block party to end all block parties, and NolaVie’s Renée Peck invited Laura Tennyson, Associate Director of External Affairs at the Contemporary Arts Center, to WWNO for a preview.