Darla Moore came from humble roots. She grew up in Lake City, S.C., an agricultural community with a population of 6,675. After college, she moved to New York, where she achieved tremendous success in finance. She was the first woman on the cover of Fortune magazine. And with Condoleezza Rice, the former secretary of state, she became one of the first two female members of Augusta National Golf Club.About 10 years ago, Ms. Moore began spending more time in Lake City, where her grandparents had farmed and her father, a school principal and coach, was a local leader.