tonight we had the honor of hosting emily dufton here to talk about her book "grass roots: the rise and fall of marijuana in america." emily received her phd in american studies from george washington university and grassroots is based off her dissertation, the inspiration for such entries you tell us more about and she starts her talk. emily has been featured in history channel, in the art and a work can also be found in the "washington post," the atlantic history news network and run washington. we are excited to emily here today because as you know in colorado without a very intriguing conversation going about marijuana. even before it was officially legalized in 2014. her book adds to this conversation with new research and interviews which expands this conversation even more than we could even hope to. so without any further ado please give a warm welcome that emily dufton. [applause] >> thank you so much for having me here. it is really an honor to speak at the tattered cover which is an assumption that is put on so many amazing cultural events. pardon my voice, i caught a cold fo

remple talks about his biography of movie industry mogul kirk yes corps january and we wrap up with emily dufton with a history of marijuana in the united states. that all happens tonight on booktv, television for serious readers. >> i had three criteria, and the criteria were, one, the person had to be important or teach something important about the valley. and, two, they had to have a truly interesting story. i mean, for fun i almost exclusively read fiction, and i think that a narrative arc especially when you're talking about something as complicated as this technology and the whole notion of building a company, to be able to take a person and tell their story was important. so i needed people who had interesting stories. and then it was important to me to have people who were not as well known. i mean, when the book opens, i talk about this party that i went to a long time ago, and there was the, i think he was the cio of a tech company with a very, very famous celebrity ceo. and this person started singing a little song, and only her ricks to the song were -- lyrics to the song were i did