Cardenas: Who He? Ray talks with Denise Dresser, a professor of political science at the Instituto Technologico Autonomo de Mexico. They discuss the results of the race for the mayoralty of Mexico City. Cuauhtemoc Cardenas (kwah-TAY-mock KAR-dehn-ahss), a noted leftist, won the race, wrenching control of the city away from the PRI party. Dresser says that the PRI is also likely to lose control of the lower house of the Mexican congress. They discuss what these changes could mean for Mexican politics.