Venezuela’s President Hugo Chavez, who has yet to confirm his attendance at the Summit of the Americas this coming weekend, faces a slippage of regional influence as he undergoes radiation therapy for cancer.
A recurrence of cancer first detected in 2011 has kept Chavez in Havana for days at a time for the radiation treatment, with brief weekend trips home between rounds.
He was to complete his third round on Wednesday, and so far has not [...]
