charles marsh with can i get a witness, and laurie anderson with shout and jason reynolds with his book long way down. watch coverage of the virginia festival of the book on saturday at one in eastern. >> this weekend, on american ii navajo, world war code talkers have a look back at the 1970 93-mile island their power accident. saturday at 2 p.m. eastern on oral histories, the first of six interviews with former coach corpss work in the marine and use their native language to secretly communicate operational plans. >> it took us to the navajo code talkers, compelled to use their language and they devised it and scheme does such a way that it played a role, a very unique role of confusing the enemy. live, sunday morning, on american history tv and c-span's washington journal, the 40th anniversary of a nuclear island power plant accident near harrisburg pennsylvania, considered the most serious accident in the united states joining us to look at the event, historian and author samuel directord the acting of the nuclear safety project for the union of concerned scientists. america, on a r