‘Potter’ vs. Piers: Author J.K. Rowling and media personality Piers Morgan trade insults on Twitter

Read on: ENTERTAINMENT - Los Angeles Times

The world of social media can have an air of being a great leveling force, where anyone anywhere can feel he is talking directly to some of the most celebrated, powerful people in the world. Or, it can be a place where famous people can yell at each other.

Such was the case Saturday as “Harry Potter”...