Hug your family. Tell them you love them.

A day spent thinking the unthinkable.

You may have spent your day as I spent mine—reeling from the news of yet another senseless tragedy, 19 children and 2 adults killed in a school shooting in Texas. I’ve spent the time numb, contemplating the terrifying hypothetical, unable to move beyond it.

I dropped my two kids off today, a morning like any other. I waved goodbye to my daughter, on the …