Nicholas D. Kristof has coauthored several books with his wife, Sheryl WuDunn, including A Path Appears and Half the Sky. Together they were awarded a Pulitzer Prize in 1990 for their coverage of China. They also received the Dayton Literary Peace Prize for Lifetime Achievement in 2009. Now an op-ed columnist for the New York Times, Kristof was previously bureau chief in Hong Kong, Beijing, and Tokyo. He won his second Pulitzer in 2006 for his columns on Darfur.