He picked up his own portfolio and untied the strings. It was a cheap pasteboard number from Woolworth’s, like Joe’s, but battered, scraped, and carefully dented. You couldn’t sit around in some art director’s waiting room with a brand-new-looking portfolio. Everyone would know you were a tyro. Sammy had spent an entire afternoon last fall hitting his with a hammer, walking across it in a pair of his mother’s heels, spilling coffee on