Cuauhtémoc Cárdenas, Mexican leftist leader and presidential contender, dies

Cuauhtémoc Cárdenas, a pivotal figure in Mexico's democratic transition and the first leftist to seriously challenge the PRI's dominance, has died. He never became president but his 1988 campaign and subsequent political actions reshaped the country's party system. His death marks the passing of a foundational figure in modern Mexican politics.

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