The hearings began with an address by Committee Chairman Biden on The Challenge of Drug Abuse in our Cities, and a review of the Second National Drug Control Strategy. There followed opening statements by seven members of the Committee. There is a chronological list of witnesses, an alphabetical list of witnesses, and a list of material submitted. Said material included: (1) Preliminary Report: A Drug Case Strategy for Philadelphia, with accompanying data on the preliminary architectural program and budgetary cost estimates for the proposed Drug Court Division of the Philadelphia Court of Common Pleas; and (2) Control of Drugs in Dallas, a Comprehensive Strategy for the 1990s. Witnesses included, in addition to several Senators and Representatives: (1) Mayor-elect David Dinkins, New York City; (2) Mayor and past president of the US Conference of Mayors, Richard Berkley, Kansas City, MO; (3) Robert Stutman, Special Agent in Charge, New York Division, Drug Enforcement Administration; and (4) Mack M. Vines, Chief of Police, Dallas, TX.