Sean Penn was Hugo Chavez' guest of honor (again) last week, serving as keynote speaker at graduation ceremonies for Venezuela's Salvador Allende Medical School. "Allow me to impart a little anecdote," beamed the two-time Oscar winner to the enchanted crowd. "I had the privilege (italics mine) to introduce my children to comandante Fidel Castro and as he posed for a photo between them I told him: "President, (italics mine) I'll now be denounced in the U.S. for educating my children as socialist revolutionaries.