John McCain is mentally fine..just because he has a tumor doesn't mean he is unfit..
Exactly. And the OP never did divulge whence comes his medical degree, nor did he tell us when he personally examined John McCain.
There's a precedent that comes to mind --
Clair Engle.
>> But there is another important choice he faces, days after being diagnosed at age 80 with the same form of aggressive brain cancer that within a year of diagnosis killed his friend and former colleague Edward Kennedy. This is a choice that will affect the way this chapter of his career is noted and his career as a whole.
As he makes this decision, he should consider Clair Engle.
.... While in office he was known mainly for supporting California-related public works programs, and for flying his own airplane all around to see constituents, including through the vast, rural Second District that made up most of the northern part of the state and that he had represented as a congressman.
Then in the summer of 1963, when Clair Engle was 51 years old, a generation younger than John McCain today, he was diagnosed with a brain tumor, and underwent surgery. Within six months, he was partially paralyzed and unable to speak. Within a year of his diagnosis, in the summer of 1964, he was dead, at age 52.
But in those final few months, Clair Engle chose to do something remarkable—in fact the main thing for which he is now known.
In the spring and summer of 1964, soon after John Kennedy’s assassination and also the Birmingham Church bombing that gave new urgency to Martin Luther King Jr.’s leadership of the civil-rights movement, the Congress was considering what became the Civil Rights Act of 1964.
Southern senators led by then-Democrat Strom Thurmond were filibustering the bill. In those days, filibusters were real, with senators orating for hours on the floor, and it took a two-thirds vote, or 67 senators, to break them. By the time of the crucial cloture vote on June 10, 1964, Clair Engle was too sick to stand or speak, and he was in his final weeks of life. But he was brought to the Senate floor, and when the clerk read his name, “Mr. Engle—Yay or Nay,” to see whether he would vote in favor of cloture, Clair Engle lifted his hand toward his eye, signaling an “Aye” vote. He voted to end the filibuster and enact the historic civil-rights bill. <<
Clair Engle was unable to stand. He was unable to speak. But clearly he was not unable to think. The filibuster died, nine days later the Civil Rights Act was passed and signed, and within two months Clair Engle was dead at the age of 52.