Actor Sean Penn insisted he's "a patriot and an American" after touring Saddam City yesterday at the end of his three-day tour of Iraq. Asked if his trip might expose him to charges that he's a traitor to his country, Penn said, "I'm here because I'm a patriot and an American who has benefited enormously from being an American." Penn insisted he went on his own fact-finding mission to clear his conscience. "If there's going to be blood on my hands, I'm determined that it's not going to be invisible," he said, adding, "That blood is not just Iraqi blood,...