Marilyn Buck, a violent leftist incarcerated for 25 years for her role in some of the most notorious radical acts of the 1980s, including the bombing of the U.S. Capitol and a deadly armored car heist, has died in Brooklyn. She was 62. On Oct. 20, 1981, she was part of a group of Weather Underground and Black Liberation Army members who ambushed a Brink's armored car carrying $1.6 million at a mall in Nanuet, N.Y. One guard was killed at the scene. A second was badly wounded. Two police officers were subsequently killed after they pulled over one of...