BRUCE BERNSTEIN is the author of You Gotta Have Heart. He's a fourth-degree black belt in karate with extensive training in the martial arts. Before recently retiring, he had a solo law practice, which specialized in protecting the rights of employees, while working part-time as an administrative law judge in New York City. He is a lifelong resident of New York City who also happens to be a licensed New York City tour guide. Like Alan Michaels, the hero of You Gotta Have Heart, he also knows a lot about Central Park and New York City.