At the Tipping Point - a personal history

 I am aware I'm supposed to be writing about something relaxing this first month of 2025. But if you've read any of my other posts, you probably already know that I tend to wander off target. This is you're warning that I'll be doing the same for most of this year.  I have lived a long life. A very long life. During those endless decades I've watched the evolution - expansion -