If you live long enough, you finally reach the day when your oldest starts his senior year in high school. Actually, you don’t have to live to be Methuselah’s age to witness this rite of passage since many of my classmates hit this milestone a decade ago.Last week Jack motored off to school as a senior meaning, if everything goes as planned (knock on wood), he will be crossing the stage in a cap and gown sometime in May (hopefully with a diploma). After that?