But seriously, can the man step down from office? Get some rest, enjoy time with your family, and let someone coherent better serve our nation.
ETA: This was expressed poorly and I apologize. My use of the word "coherent" was in reference to McCain's behavior at the Comey and Sessions testimonies.
So sad, my grandfather died from a brain tumor 20 years ago. My grandmother has been very active in several brain tumor foundations over the years. While it is not a promising diagnosis you do hear of some remarkable recoveries.