Anti-nuclear activists (from left) Gregory Boertje-Obed, Sister Megan Rice and Michael Walli, pictured Feb. 6 in Knoxville, Tenn., were sentenced to prison terms on Tuesday for the 2012 break-in at Y-12 National Security Complex in Oak Ridge. Linda Davidson/The Washington Post/Getty Images hide caption

itoggle caption Linda Davidson/The Washington Post/Getty Images