Flood victims blame corrupt zoning codes for deaths.
Crime waves threaten the popularity of Mexico City's mayor.
Cuauhtemoc Cardenas becomes mayor-elect of Mexico City. An examination of Mexico's war on drugs. For 70 years, the Institutional Revolutionary Party, or PRI, has controlled the Mexican presidency as well as much of the government. Despite years of electoral domination and allegations of fraud and corruption, PRI voters had never taken part in the nomination of their party's presidential contender. The term is symbolic, referring to the party's tradition of allowing the incumbent president to appoint the party's nominee, though critics contend the practice amounts to nothing more than anointing a political heir.