PBS NewsHour: LBJ's 'Passage of Power': The Transformation of a 'Legislative Genius'

Historian Robert Caro has spent nearly four decades telling the story of President Lyndon Baines Johnson. Gwen Ifill and Caro discuss the pivotal four years between 1960 and 1964 when Johnson rose from senator to an overshadowed vice president, and then to president -- the premise of his latest biography, "The Passage of Power."

Watch LBJ: The Transformation of a 'Legislative Genius' on PBS. See more from PBS NewsHour.