>> shannon: officials in arkansas monitoring an incident in the town of russellville. this was an industrial accident at the nuclear one plant. health says itof heck says it happened in a nonradiation area and there is no risk to the public health and safety. >> shannon: every year thousand is of cases are appealed to the supreme court and though only a tiny fran fraction are heard eh has a fascinating back story. that new book titled murder at the supreme court takes a look at historic death penalty cases the justices have wrestled with. i sat down with the coauthors to ask them how they came up with the idea for the book in the first place. >> we decided 20 years ago we wanted to write a book about supreme court cases. we didn't know what kind of a book. it took us awhile to figure it out. >> probably the same format. we would look at the cases that