Dana Priest is a reporter on “The Facebook Dilemma” (2018). In her 30 years at The Washington Post, Priest has covered the Pentagon, intelligence agencies, Russian disinformation operations and veterans’ issues, among other matters. She has won two Pulitzer Prizes for reporting on the neglectful conditions at the Walter Reed Army Medical Center (2008) and the CIA's secret prisons (2006) and other counterterrorism operations. She is the author of two best-selling books, “The Mission: Waging War and Keeping Peace with America’s Military” (2003) and “Top Secret America: The Rise of the National Security State.” She was a reporter on the FRONTLINE documentary, “Top Secret America” (2011). Ms. Priest is also a professor at the Philip Merrill School of the Journalism at the University of Maryland.