"Marriage is the most underreported story in political life and yet is often the key to its success. This is the idea driving a revealing new portrait of Lady Bird as the essential strategist, fundraiser, barnstormer, peacemaker, and ballast for Lyndon...[A] biography of a political partnership that helps explain how the wildly talented but deeply flawed Lyndon Baines Johnson ended up making history..."--P. [2] of jacket.