Across the country, a growing number of illegal car races are being held every night. Known as street-racing, all that's required is two fast cars, two willing drivers and a city street. Police departments are searching for ways to stop this illegal and dangerous activity. Today, we look at both sides. First commentator Vincent Hsia tells us why he's an avid street-racer. (3:46) Read Hsia's street racing article in LA Youth magazine.