new network on July 22 (Xinhua) -- comprehensive report. Recently, U. S. Vice President Joe Biden under the lips on a small piece of bruises caused the attention of the media and Joe Biden's Office explained said: this injury is Biden play funny dog when caused by. As the saying goes, the dog is man's most loyal partner, in a pet, there are a lot of politicians have chosen to have a pet dog. The "dog" from time to time will be boarded the media forum, sometimes limelight as their master. ...