Jerry Markon covers politics for the Post’s National Desk, focusing on accountability/investigative stories about the 2012 presidential candidates. Before that, he covered the Justice Department and the federal courthouse in Alexandria, Va., writing about major national security cases and other law enforcement and legal topics. He has also covered the U.S. Supreme Court, anchored the Post’s blog on Justice Sonia Sotomayor’s nomination and chronicled the war-crimes trial of Osama bin Laden’s driver at Guantanamo Bay, Cuba. Markon came to the Post in early 2003 from The Wall Street Journal, where he covered the federal courthouse in Manhattan. He has also worked for Newsday, the Associated Press and the (Memphis) Commercial Appeal. Markon has a bachelor’s degree from the University of Michigan and a Master’s in International Affairs from Columbia University.