Thursday on Political Rewind: Los Angeles in the early 1970s was a glittering confluence of creative genius, which transformed American society as we know it.\n\nMusic stars like Joni Mitchell and The Eagles co-existed in the same space as television\u2019s Mary Tyler Moore and movie master Roman Polanski. It was an era that gave us All in the Family, M*A*S*H, and Chinatown.\n\nJournalist and cultural historian Ronald Brownstein documents this lively history in his new book, "Rock Me on the Water: 1974 \u2014 The Year Los Angeles Transformed Movies, Music, Television, and Politics."\n\nWe speak with Brownstein about how 1974 would change the face of popular culture forever \u2014 and create works far ahead of the political status quo of the time.\n\nPanel:\n\nRonald Brownstein \u2014 Author, "Rock Me on the Water: 1974 \u2014 The Year Los Angeles Transformed Movies, Music, Television, and Politics"