for the pbs newshour, i'm sam eaton, maranhao, brazil. >> woodruff: it is a stunning look inside therump presidency, exposing a chaotic white house lead by a man who has said he believes the key to por is fear. that is the title of bob woodward's latest book and the teran editor and reporter for the "washington post" joins me now. welcome back to the newshour. >> thank you. >> woodruff: ti congratus on the book. there is something jaw-dropping on virtually every other page.od bob rd, did you come away believing that donald trump isfi noto govern? >> see, that's not for me to judge. that's up to individuals in th political system. as a reporter having done this, this is my ninth president, and the goal is to lly understand, you know, what's happening behind the sces, what's real, what are the motives, who is thisso per where is the advice coming from, and ultimately what does it mean for the country, but that's not for me to decide. so i stepped back on that. en>> woodruff: you've wri well over a dozen books on veshington, on the presidency. in the past there een protests and criticis