Lavanya Ramanathan: The modern-day Trapp family singers were hanging out on the craggy patio of a D.C. cafe, each wearing some variation on skinny jeans, bangs and combat boots. Melanie, 25, had wrapped herself in a leopard-print trench coat, while Sofi, 27, was clad in a cropped red leather jacket. Amanda, 24, was in head-to-toe black. And then there was August, just 21, who let his hair do all the statement-making, his bleached-blond wisps of his bangs swooping over one... Read more