we go through walter winchell who was one point he was a hard-core new deal supporter, hard-core fdr supporter. he shifted during the 1950s, became a strong anti-communist, big john mccarthy supporter and yet a radio show, syndicated newspaper column. he was a huge composing the 50 during that time. fast forward, go through the 1960s when it was a major force, the fcc was able to broadcast the industry. there's two chapters on his. one called challenge and harass when the johnson administration use -- to use to political enemies. one of the people interviewed here, i interviewed mark fowler, he was reagan's fcc chairman who helped dismantle the fairness doctrine. once you that revelation out of the way it allowed people like rush limbaugh to get a foothold in and that led to a real explosion of conservative and partisan ism on both sides. most on the conservative side. >> that was going to be my follow-up question in regards to 1922 today, the predominant voices, was there a pattern? spent interesting enough, one of the things i write about in this book is how during the new deal you

walter winch winchell, at one point he was a hard-core, new-deal supporter, hard-core fdr supporter. he shifted, became a strong anticommunist and he had a radio show, newspaper column. a human imposing media figure. go through the 1960s, when the famous -- a major force that the fts was able to regulate the broadcasting industry, and two chapters on this. one called challenge and harass, the johnson targeted political enemies. one of the people i interview in here, mark faller. reagan's ftc chairman who helped dismantle the fairness doctrine. once you had that regulation out of the way it i allowed people like rush limbaugh to get a foothold in and that led to an explosion of consecutive and partisan voices on both sides, mostly on the conservative side. >> host: that was my followup question in regards to from 1920 to today. the predominant-for- -- was there a pattern, left, right, left? >> guest: well, interestingly enough of. one of the things i write about is during the new deal you had the major metropolitan dailies leaping the right. very antifdr, and most of the radio and bro

>> today you have rush limbaugh, glen beck but this goes to the very beginning, walter winchell, it showshe trajectory of how talk radio began, the beginning of radio. i use this as a history of the united states since 1920 through the lens of talk radio. >> going all the way back what year are we talking about? >> we are talking about a 20s. the dean of commentators, the first guy i talked about in here, walter when shall -- walter windchill with a hard-core new deal supporter, he shifted in the 1950s, became a strong anti-communist joe mccarthy suorr. radio show syndicated newspaper column, a huge imposing media figure. fast-forward through the 1960s, a major force, the sec was able to regulate broadcasting industry and two chapters on this. one is challenging iraq when the johnson administration used the third doctrine to target political enemies. one of the people i interviewed in here, i interviewed mark fowler, reagan's chairman who helped dismantle the fairness doctrine. once you had the regulation out of the way and allow people like rush limbaugh to get a foothold in and that led