Communications experts say that body language can account for as much as 80 percent of communication, words for as little as 20 percent. Vice President Biden showed that to be the case tonight. His facial expressions were the talk of the Twittersphere. Whether the topic at hand was deathly serious or just serious, whether his opponent was addressing him or the moderator, the vice president seemed to be grinning at inappropriate moments for much of the evening.
Suffice it to say that it didn’t go unnoticed: