The US president, Barack Obama, says he hasn't had a smoke in years – thanks in no small part to his fear of the first lady, Michelle Obama. 美国总统巴拉克·奥巴马坦言自己已经六年没吸烟了——这很大程度上是由于他对第一夫人米歇尔·奥巴马的敬畏之情。 Obama, who was caught chatting off-guard with a UN o...