The former US president, Jimmy Carter, marked his elevation to the status of Nobel peace laureate yesterday by chiding President Bush on his doctrine of pre-emptive war, and urging him to respect the UN's role in Iraq. The comments, delivered at the Nobel awards ceremony in Oslo, were the second time that the award has been used as a vehicle for criticism of US preparations for a possible war on Saddam Hussein. In a speech that deplored the emergence of terror and sectarian conflict since the end of the cold war, Mr Carter said the United Nations - though flawed...