aid. Castro expressed solidarity with the US following the 2001 September 11 attacks, condemning Al-Qaeda and offering Cuban airports for the emergency diversion of any US planes. He recognized that the attacks would make US foreign policy more aggressive, which he believed was counter-productive. Castro criticized the 2003 invasion of Iraq, saying that the US-led war had imposed an international "law of the jungle". Meanwhile, in 1998, Canadian Prime Minister Jean Chrétien arrived in Cuba to meet Castro and highlight their close ties. He was the first Canadian government leader to visit the island since Pierre Trudeau was in Havana in 1976. In 2002, former US President Jimmy Carter visited Cuba, where he highlighted the lack of civil liberties in the country and urged the government to pay attention to the Varela Project of Oswaldo Payá. Final years Stepping down: 2006–2008 Castro underwent surgery for intestinal bleeding, and on 31 July 2006, delegated his presidential duties to Raúl Castro. In February 2007, Raúl announced that Fidel's health was improving and that he was taking part in important issues of government. Later that month, Fidel called into Hugo Chávez's radio show Aló Presidente. On 21 April, Castro met Wu Guanzheng of the Chinese Communist Party's Politburo Standing Committee, with Chávez visiting in August, and Morales in September. That month, the Non-Aligned Movement held its 14th Summit in Havana, there agreeing to appoint Castro as the organization's president for a year's term. Commenting on Castro's recovery, US President George W. Bush said: "One day the good Lord will take Fidel Castro away." Hearing about this, the atheist Castro replied: "Now I understand why I survived Bush's plans and the plans of other presidents who ordered my assassination: the good Lord protected me." The quote was picked up on by the world's media. In a February 2008 letter, Castro announced that he would not accept the positions of President of the Council of State and Commander in Chief at that month's National Assembly meetings, remarking, "It would betray my conscience to take up a responsibility that requires mobility and total devotion, that I am not in a physical condition to offer". On 24 February 2008, the National Assembly of People's Power unanimously voted Raúl as president. Describing his brother as "not substitutable", Raúl proposed that Fidel continue to be consulted on matters of great importance, a motion unanimously approved by the 597 National