Historian Rutger Bregman argues in a new book that people should aspire to “moral ambition” — a mix of idealism and ruthless pragmatism — to make the world a better place.

Who knew that a trip to the old Jonesborough City Cemetery would “dig up” so many interesting stories. First, I wrote about Zaddock Willett, who died at the Battle of Shiloh. Then there was William ...