The Pulitzer Prize-winning journalist Charlie Savage is a Washington correspondent for The New York Times. He is also the author of “Power Wars,” published in 2015, an investigative history of national-security legal policymaking in the Obama administration, and “Takeover,” published in 2007, which chronicles the Bush-Cheney administration’s efforts to expand presidential power.Charlie has been covering post-9/11 issues — including national security, individual rights and the rule of law — since 2003, when he was a reporter for The Miami Herald. Later that year, he joined the Washington bureau of The Boston Globe; he moved to the Washington bureau of The New York Times in 2008. He has also co-taught a seminar on national security and the Constitution at Georgetown University.