Simon Sinek, author of “Start with Why,” has written a new book called “Leaders Eat Last.” Sinek casts his net wide to gather information examining the individual and cultural causes of successful business environments and asks, “How did they get that way?” This question takes him to military leaders and individual business owners as he explores the constitutional makeup of leadership. His findings are surprising, and, as he did with his first book, he once again generously codifies the results to share with a wider audience.