ro >>: robert caro's book, "working" is out now. as to volume five of his epic b.j. biography? aw the final pages, but only at distance. caro td us we too will have to wait. for the pbs newshour, i'm jeffrey brown in new york. >> woodruff: mushroom hunters have fanned out across the forest floor for hundreds of years searching for what can be lucrative and delicious finds. but do climate change have an impact on these fungi? from the cronkite school of journalism at arizona state university, melanie porter found weather change isn't allad news for these foragers. >> it's like i said, it look ke it's a chellat mushroom. >> reporter: a delicacy found on the forest floor only a mushroom ver would treasure. >> these things you need like, a saw. >> reporter: the arizona mushroom society has a mission to provide educational and scientific opportunities for members to learn about mushrooms in a hands on environment.>> low the spores. >> reporter: the society hosts dozens of workshops throughout the year. >> this could turnout to be four hour five hour hike down the mountain. >> reporte

let's keep in mind, this was the party that lyndon johnson if you read robert caro's book, john f. this is a party that has its own past history with voting her irregulars and now we see with many the big cities run by democratic elected officials and so many people stealing the roles that need to be replaced and there has been efforts to clean up the roles but progressive groups always go to judges to block it. >> somehow it is preventing someone from exercising the right to vote. i don't know bring in a work id, be who you say you are. prove it. good to see you. thank you so much for coming up outrage after netflix releases a movie that jesus christ is gay, first a warning on the american family, has shocking report saying america has the highest rates of single-parent household. the details are noti are next. help turn back the clock on gingivitis with parodontax. leave bleeding gums behind. parodontax. do seek out an open road.th an italian work of art. and definitely...don't do this. see everything you should never do with an alfa romeo. ...then experience everything you shoul

. >> with lbj he is mind you go to write it and you think what can i write that robert caro has not written [laughter] this is what's amazing about history there is plenty to write about their still unsolved mysteries that what i focus on with lbj is i really believed he would have to resign as vice president or be kicked off after kennedy was assassinated because he was engulfed in a massive scandal with an eight of his in the senate and under investigation and what i learned talking to tom brokaw who remembered that. quite well cvs in time life had the goods on lbj with a full dossier and ready to go public and when kennedy was assassinated they made a deliberate decision to put it back in the box. you couldn't have kennedy assassinated, scandal break at the height of the cold war the new president has to resign. there is no 25th amendment so they flip the speaker and the president pro tem then the secretary of state would have to schedule a special election. so this is an interesting ethical question in the context of history. i should know the name but i don't so the country has been to

. >> mike: robert caro spent over half is like telling a story of lyndon johnson.00 pages. but he's only up to 1964, not you have to vietnam. he took us into his office. >> this is the outline of the rest of my last volume. from here, they are coming to the end of the book over there. >> if you should be unable, for whatever reason, to finish the book, have you made provisions for somebody else? >> no, i've made provisions that nobody else can finish my book. nobody is going to publish anything with my name on it that i didn't write. not a word. >> i might not be as good, i might not out sing everybody, i don't know, i meant in the world, but i'm going to outwork you. >> at age 58, toby keith has slowed down. instead of 200 shows a year, he now does 50 and he says his music is not what sells now. >> it's more of a hip-hop country. kids make a half a billion and end up on farms. i made mine, but i'm not going to write that stuff. >> but if our staff at "fox news sunday" is any sign, he still has his fans. and his music, while, that will last forever. ♪ >> will raise

on lbj, lbj is one of those once you go to write it and think what can i write that robert caro has notwritten? this is what is amazing about history, there's plenty to write about. there is still a lot of unsolved mystery, a lot of missing pieces in the reconstruction of our history. what i focus on is i really believe he was either going to have to resign as vice president for be kicked off the ticket the week after kennedy was assassinated in the reason for that is he was involved in a massive scandal involving bobby baker, native his in the senate and he was under investigation. what i learned in talking to tom brokaw who remembered that period quite well was cbs and time wife had the goods on lbj and had the full dossier and they were ready to go public with it and when kennedy was assassinated they made a deliberate decision to put it back in the box. this is important because the country had been through such a dramatic transition, you can't have a situation where kennedy was assassinated, scandal breaks and at the height of the cold war the president, the new president of the un