Most people who live in glass houses don't throw stones. Trump is not most people.

This was excerpted from the September 2 edition of CNN's Meanwhile in America, the daily email about US politics for global readers. Click here to read past editions and subscribe.

(CNN)Most people who live in glass houses don't throw stones. But Donald Trump is not most people, as new questions about his health show.

The furor erupted just as the President and his campaign are making out that Joe Biden is sick, senile and can barely stand up. Trump supporters pounced on a verbal slip Monday by the Democratic nominee -- who has long fought a stutter -- to claim he has serious neurological problems. First son Donald Trump Jr., a chip off the old block, has started bringing up two life-threatening brain aneurysms Biden suffered in 1988. And on Tuesday, the President said: "Biden doesn't know he's alive."
But such misdirection is not disguising mounting intrigue about Trump's unscheduled visit to Walter Reed military hospital last November. New York Times scribe Michael Schmidt reported in his new book that Vice President Mike Pence was put on standby to assume presidential duties in case the President was anesthetized. Then in June, there was new speculation about the condition of Trump, only three years Biden's junior at 74, when he shuffled awkwardly down a ramp at West Point military academy. Trump fanned the flames Tuesday when he tweeted that he had not suffered a "series of mini-strokes" as was claimed in unsubstantiated Twitter gossip. The White House physician said the President had not suffered cardiovascular episodes.
    Most modern presidents felt obliged to assure Americans they were fit to serve. But the current commander in chief made a mockery of such practice when his physician provided a letter in 2016 absurdly declaring Trump would be "the healthiest individual ever elected to the presidency." To no one's surprise, the doctor later told CNN that Trump had dictated the letter.
    Maybe Trump is just fine. But just as with his hidden taxes, his lack of transparency over his health suggests that the oldest President ever elected to a first term may be covering something up.