LAS VEGAS – Sarah Palin ridiculed President Barack Obama at a conservative bloggers conference Friday for his “cocaine snorting” and eating dog as a child. “That cocaine snorting, and what he ate — Fido? Rufus?” the former Alaska governor said, alluding to Obama’s memoir, “Dreams From My Father,” in which he admits both to cocaine use and being served dog by his stepfather in Indonesia. “I think it’s funny that the cocktail circuit gives me a hard time for eating elk and moose. Anybody here have a pet moose? There’s a difference.” It was part of a 30-minute speech at...