A holiday question: How old is too old?

My guide to when to get out

Friends,

Happy holidays.

In the spirit of Christmas past and future, and in light of the age of our likely two major candidates for president in 2024, I thought it a good day to ask: How old is too old? (Forgive me if I’ve asked this before. I’m old and occasionally repeat myself.)

I have a personal stake in the answer. I’m now a spritely 77. I feel fit, …