This week’s Find Out Friday was inspired by TNT’s limited series “The Alienist”. In this week’s episode there was a scene where a young boy was drinking an egg cream and the man sitting next to him pointed out that the fact that his drink had neither eggs nor cream in it. The young boy thinks he has been cheated until the man explains that it is simply what it is called, but he didn’t know why. Well, neither did I. As a Brooklynite, egg creams are part of my heritage. They are symbols of a bygone generation that still elicits excitement and bursts of joy when they are spotted on a menu. Such was the occasion when I stopped by Patsy Grimaldi’s latest restaurant, Julianna’s ( http://bit.ly/2hWeC61 ). My mother was almost as excited to order a vanilla egg cream there as she was when we met Mr. Grimaldi himself. For all of the nostalgia egg creams seem to bring up for generations before mine, I don’t really get the craze. It is a drink that consists of seltz