“We can actually go and give her a hug,” says Haynes. “That's all I've been wanting,” she says of her sister. “You die when someone dies. You just want to give them one last hug. So I can do that.” ...

She, Haynes and their mom have birthdays just one day apart from each other. A native of Clarksville, Tenn., Best graduated as her high school valedictorian and then summa cum laude from ...