Joan Biskupic, a visiting professor at the University of California, Irvine, law school, has written several books on the Supreme Court, including biographies of Justices Sandra Day O’Connor and Antonin Scalia and a political history of Justice Sonia Sotomayor’s appointment. She is now working on a biography of Chief Justice John Roberts. During the 2016-17 academic year while at UCI, Biskupic is a CNN legal affairs analyst. She is on a sabbatical from Thomson Reuters, where she has worked since 2012 as an editor-in-charge for legal affairs. Biskupic previously covered the Supreme Court for the Washington Post and USA Today. Her work was a finalist for the Pulitzer Prize in 2015. She holds a law degree from Georgetown University.