‘My Favorite Mistake’: Drama, heartache and horses

In "My Favorite Mistake," Georgina Bloomberg and Catherine Hapka return to the fast-paced and passionate world of exclusive horse shows and the lives of the teens who compete in them. Here's an excerpt.Tommi wandered toward the floor-to-ceiling wall of windows, ignoring the sounds of the party going on behind her. Her friend Courtney’s penthouse apartment was right on Central Park South, and eve