Looks like the sister in the background was nodding off too. What's up with the person behind Biden? They look like they are trying to hide something, texting perhaps?
ABC News, things that Biden may have been in deep thought:
Biden, at one point, could be seen apparently nodding off -- or at least deep in thought. The bug was catching, too. The woman in glasses directly behind Biden appears to close her eyes too.Deep thought? Nope that is looks like plain old nodding off.
Via: ABC News