He needs to be a lot clearer and firmer about how he will deal with America's foes and rivals: his first instinct when Russia invaded Georgia was to waffle.

对于如何对付美国的敌人和对手，他需要更加明确和坚定：当俄罗斯入侵格鲁吉亚时，他的第一反应就是胡扯。