NICHOLAS D. KRISTOF and SHERYL WUDUNN were the first married couple to win a Pulitzer Prize for journalism, and WuDunn the first Asian-American to win a Pulitzer. They were foreign correspondents and editors for The New York Times, winning their Pulitzer for coverage of China’s Tiananmen Square democracy protests. At The Times, WuDunn also worked as a television newscaster and a business executive. She now is an investment advisor in New York. Kristof, a Rhodes Scholar, is now an op-ed columnist for The New York Times and earned a second Pulitzer for his columns about genocide in Darfur. The authors live near New York City with their three children.