Derek Hyra talks to DCist about his new book Race, Class, and Politics in the Cappuccino City.

The black high heel Vanessa Schutz is holding suddenly looks pretty menacing. “Temple! Throat!” she shouts, aiming at the air. “Good! What are some other things we have in the office that you could use if you had to?” instructor Lauren Taylor asks the circle of 11 other women on a recent Monday night in Chinatown. They are starting session three of eight classes on rape-prevention with Defend Yourself, Taylor’s self-defense group. They are full…