If Barack Obama was taking on John McCain in a global election he would already be on his way to the White House. A recent worldwide poll showed him beating the Republican by more than three to one. In Europe, his margin of victory would be even greater: Mr McCain would get only 6 per cent of the vote in Germany, where a government spokesman has waxed publicly about the attraction of Mr Obama's “mixture of Martin Luther King and John F. Kennedy”. Just about the whole of France is backing Mr Obama. He is, in the words of Jack...