Eversince Mr Obama announced on election night last November that he wouldbe buying his daughters a dog, America has been obsessed by the type ofpuppy the family would choose.

• 自从奥巴马宣布大选之夜，他在去年11月将是他的女儿买一只狗，美国一直热衷的类型小狗的家庭会选择。