My Facebook “Memories” remind me that my son Gideon has always been ahead of his time. Fourteen years ago, I was reading a book of world history for his bedtime stories. I gushed about Alexander the Great becoming king and launching his conquest of the known world when he was young — only 20. “Hmph. You mean you call that young?” was Gideon’s skeptical retort. Fast forward to 2024. A study by H…