What does it take to bring a respected 2-star brasserie to the top of the “World’s Best Restaurant” list? According to Will Guidara, former co-owner of Eleven Madison Park, the key is “Unreasonable Hospitality,” also the title of his new book. Here, he talks to Martha about that meteoric rise, being mentored by restaurant royalty Danny Meyer and Daniel Boulud, and about where to find the best hot dogs up and down the East Coast.