if -- in squirrel hill, mark oppenheimer reports on aftermath of the tree of life synagogue shooting,nd peter bergin in the rise and fall of osama bin laden. most of these authors have appeared on booktv, and you can find their the programs on booktv.org. just type the author's name in the search bar at the top of the page. >> on a recent episode of our author interview program "after words," journal nist libby johnson discussed her new book, "paradise," which looks at the causes of california's 2018 camp fire. she was interviewed by terry baker, ceo of society of american foresters. here's a portion of their discussion. >> i think there were decades of decision the making that went into play. fires mt. past never burned all the way through town. that gave them a false sense of security and so, you know, there were decisions they could have made that would have made it possible -- it seems like they would have made the evacuation efforts a little easier and smoother. but, again, you know, they had these other concerns to look at too. and i think paradise is just so emblematic, again,