As mentioned at the beginning of the reading, the new Substack regime has undergone a slight mutation. Listen or see the About page for the details.
As for that essay by David P. Barash on “evolutionary existentialism”, the original (and, I think, richer) version can be found in the 2007 Festschrift Richard Dawkins: How a Scientist Changed the Way We Think. But there is a more accessible version from 2018 here.
Monday reading: From Douglas Adams' 'The Hitchhiker's Guide to the Galaxy' (plus: an update)