When deciding how to use your time and money to address the world’s problems, you may struggle with how to use those resources for the greater good. Exploring that challenge is the subject of the new book A Path Appears: Transforming Lives, Creating Opportunity, written by New York Times columnist Nicholas Kristof and his wife Sheryl WuDunn. Wharton management professor Adam M. Grant recently interviewed Kristof about his new book when he visited campus as a guest lecturer in the Authors@Wharton series. In this interview, Kristof discusses how to address “the greatest inequality of all … inequality of opportunity.” An edited transcript of the conversation follows. Adam Grant: I’ve been a fan for a long time. You have two Pulitzer Prizes and a New York Times column. What inspired you to write this book? Nicholas Kristof: Sheryl and I had written a previous book, Half the Sky, about empowering women in other countries.…