The description of this picture is:

President Barack Obama shares a laugh with former first lady Barbara Bush at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

The only thing Obama is laughing at is how far he has come in destroying the country, and how long he has left to complete the job.  Babs just isn't amused.

Via Weasel Zippers.

On the other hand, I dunno what could possibly be going on here, except if Slow Joe Biden forgot to come to the ceremony with his his pants on, or something.