"highly likely that John McCain suffers from Traumatic Brain Injury (TBI) and Post Traumatic Stress Disorder (PTSD)

The American Conservative -- Head of State

Is there more to John McCain’s rage than just bad temper? A psychotherapist puts the candidate on the couch.

 Yeah, he's a whacko. Notice on the debates how he is really having trouble finding words? His brain hurts, we'll just have to have it out.