<ul data-eligibleForWebStory="false">Sunk costs from the past are real but can be viewed as gifts from our former selves.We have the choice to reject these sunk costs and not let them define our present or future.Shanka Senghor's new book provides a framework to navigate past costs and make new decisions in the present.A live interview with Shanka Senghor is scheduled for July 25 for those who pre-order his book.