In the news POP-UP DIARIES: TRÊK-À-PORTER What’s a pop-up shop these days without an Airstream? In February, the fledgling lingerie brand Negative filled one with its underthings for Valentine’s Day; last week, Kit & Ace brought one to the East Coast to hawk its machine-washable cashmere; and last Saturday, a CFDA designer, Wenlan Chia, made the first… Read More In the news