Twenty-three years ago, Clark “CB” Bagby, Jr. assumed control of his father’s already successful demolition and grading company and grew it into one of the largest in the Southeast. Only one of his four children showed any promise or passion for the family business, the others content to enjoy its fruits. CB, the sole shareholder of the eponymously named CBDG, Inc., is acutely aware of his need for succession planning and is equally determined to make it as painless for himself as possible. “I want them to know I’ve taken care of them, but I don’t want to be pestered about what I gave them, whether it’s enough, or…