from freedom fest former aclu president and new york law school professor damien strasser shares herbook 8 where she argues we should combat a speech withfree speech instead of censorship . then at 8:40 5 pm investigative journalist david knight worth looks at the rise of extremist groups in the us and their impact on democracy with his book the age of insurrection. watch book tv every sunday on c-span2 and find a full schedule on your program or watch online anytime at booktv.org. >> sunday night on two and day in her book generation san diego state university psychology professor james wyatt talks about the differences between the six generationiving in the united states . babyboomers, gen x , millennial'sgey and the pullers. she argues technological advances she generations more than anything else and explores what impacts itwill have in the future . >> we can see real divisions showing up with more people identifying at the extremes of ideology or polarization between democrats and republicans on variousissues around race . i think it's good to know well, what does this look like