In the course of a lengthy and wide-ranging discussion with an old friend, we wound up talking about a particular form of anxiety. Actually, it was a part of that game whereby old friends use some shared experience to chide each other about "aging." If you don't do this already, you will.
This excerpt from Richard Dawkins' new book The Ancestor's Tale: a Pilgrimage to the Dawn of Evolution apparently engages with an intriguing line of inquiry: If evolution could be re-run, how might the story end differently? To quote Dawkins: What systems have evolved many times independently, like eyes? Or "several times", like echolocation? Have some things evolved only once, or not at all? I suspect that we'd find certain potential evolutionary pathways which life is "eager" to go down.
I'm sure that we'll all get our fill of orchestrated images from the Republican National Convention in New York, and that will probably include stuff both inside and outside.