Chavez Undergoing Fourth Cancer Surgery

CARACAS, Venezuela (AP) — Venezuelan President Hugo Chavez's cancer relapse and his sudden announcement that he will undergo a fourth cancer-related surgery in Cuba have thrown the country's future into question, and his designated political heir has begun trying to fill the void.

Underlining the gravity of the situation, Vice President Nicolas Maduro broke into tears on Monday at a political rally hours after Chavez flew to Havana.

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