Momcations. It’s a Thing.

In Brandy Ferner’s upcoming novel, “Adult Conversation,” two burned-out moms escape to Las Vegas for a short respite from the crumbling marriages and endless snack requests that define their everyday lives. It’s a practice that Ms. Ferner, a mother to a 6-year-old girl and a 13-year-old boy, understands well: She’s been going on so-called “momcations”…