Here is the referenced piece by John Updike commenting on The Umbrella Man of 1963 pic.twitter.com/0C298A2Thl
— @hamiltonmorris (@HamiltonMorris) June 3, 2020
Josiah Thompson: Six Seconds in Dallas (!?)*
see also “Bubbles in the Surface of Circumstance” in a book by another author:
*a link – see a note on notes and links