Sake has come a long way from the days when it was internationally — and crudely — known as "rice wine." In recent years, sake has been the star of two documentaries, as well as a TV series on Amazon. Sommeliers and chefs around the world are making room for nihonshu — as it is called in Japanese — on their menus, and everyone from noted wine enthusiasts to DJs and soccer stars want a piece of the sake buzz.