Atlanta's largest law firm picks former U.S. Deputy Attorney General as newest partner

King & Spalding added another prominent former member of the U.S. Attorney's office to its staff. Atlanta's largest law firm said Wednesday it hired former Deputy Attorney General Rod Rosenstein to join its Washington D.C. office as a partner on its Special Matters & Government Investigations team. Rosenstein's nearly two decades in senior legal management and leadership positions at the U.S. Department of Justice came during the administrations of Presidents George W. Bush, Barack Obama and Donald…