The United States has been fighting a "war on drugs" for decades, yet illegal narcotics remain a problem for the country. Some, like Peter Moskos, a professor at the John Jay College of Criminal Justice and author of Cop in the Hood: My Year Policing Baltimore's Eastern District, argue that the best way to deal with drugs is to legalize, regulate, and tax them. Others, like former federal drug czar Lee P. Brown, say that the solution is to keep them illegal and target demand in order to eliminate supply. Should drugs be legalized? Post your thoughts below.