I can remember when the Chief used to be vaguely sane most of the time.

[Berni]

I fear that the Obama administration has had a deleterious effect on the poor fellow's mental health. :-(

I think there may be an element of this about it.

http://i458.photobucket.com/albums/qq304/cabpup/Blazing-Saddles.gif

[Bergkamp's Brain]

It started to striate circa 2001 imo

[Classic Jorge]

Think about what it must be like without the nightshift though.

https://media.giphy.com/media/lMidb587Myjtu/giphy.gif