ABC News' Linsey Davis spoke to filmmaker Dawn Porter about her ABC News Studios documentary, "The Lady Bird Diaries," a film based on the personal tapes of First Lady Lady Bird Johnson. ABC News Live Prime, Weekdays at 7EST & 9EST WATCH the ABC News Live Stream Here: youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: bit.ly/2vZb6yP Watch More on abcnews.go.com LIKE ABC News on FACEBOOK facebook.com/abcnews FOLLOW ABC News on TWITTER: twitter.com/abc #TheLadyBirdDiaries #LyndonBJohnson #LadyBirdJohnson #Recordings #CivilRights #ABCNLPrime