Elie Klein always had a special place in his heart for doughnuts. Growing up in Baltimore, a city with not one but two branches of kosher Dunkin' Donuts, a rarity at the time, his sister used to mail care packages to his Orthodox summer camp full of chocolate and honey-glazed delights to help him make friends. And that was before he moved to Israel and was introduced to the joys of the native Hanukkah specialty...