At 86, writer Robert Caro is working to complete the final volume of his masterpiece, “The Lyndon Johnson Years“; its editor Robert Gottlieb, 91, waits to edit it. This unique double portrait reveals the work habits, quirks, and professional joys of these two intellectuals at the height of a journey that consumed their lives, and impacted generations of politicians, activists, writers and readers.翻开每一页翻开每一页翻开每(➡)一页