and william holcomb political science professor at university of chicago and author of the wartime president, how without persuasion and co-author of while dangers gather. congressional checks on presidential war powers. that's coming up on the next landmark cases live tonight at 9 p.m. eastern on c-span, c-span3 and c-span radio. for background on each case while you watch order your copy of the landmark cases companion book that is available for $8.95 plus shipping at c-span.org/landmarkcases. >> a signature feature a c-span2's booktv is her coverage of book fairs and festivals from across the country with nonfiction author talks, interviews and viewer call-in segments. >> good morning, everybody. thank you all for attending this briefing sponsored by senator joe donnelly this morning, along with the american foundation for suicide prevention, the