Two simple white chairs sit on a plain, dimly lit wooden stage, a small white table wedged between them, in front of a stark white background inside the Hirshhorn Museum’s theater Thursday night. Then out comes Christina Tosi — a redhead with a vibrant, youthful personality, and the vibe entirely changes. She takes a seat across from The Washington Post’s Food and Dining Editor Joe Yonan, crosses her legs froggy-style like a young child being read to at story time, and begins to talk about the rise of her empire, Milk Bar, a Lisa Frank-esque bakery as fun and carefree as she is.(read more)