This explains so much.
Limbaugh's scan on the left, Senator Al Franken's on the right.
"...Scans by computed tomography (CT) and magnetic resonance imaging (MRI) showed that the man's cerebral cavities, called ventricles, had massively expanded.
"The brain itself, meaning the grey matter and white matter, was completely crushed against the sides of the skull," Feuillet told AFP.
"The images were most unusual... the brain was virtually absent," he said.
The patient's medical history showed that at the age of six months, he suffered hydrocephalus, also called water on the brain, and needed an operation to drain this dangerous buildup of spinal fluid.
Neuropsychological testing revealed the man had an IQ of 75, with a verbal IQ of 84 and performance IQ of 70. The bulk of people in society have a minimum IQ of 85, although the benchmark and the way it is measured are sometimes contested."
Catch you later.....
(Image and real story from here.)