When will Robert A. Caro finish the final volume of his biography of LBJ?

He doesn't "like to give progress reports to be perfectly honest with you... It’s already long. But it’s not nearly done and I’m sort of buried in doing it at the moment," but he did take a break to record an audiobook called "On Power." Basically, he's reading a transcript of 2 speeches he'd done recently.

At the link there's an incredibly interesting, articulate clip from the book, explaining how Caro got interested in delving into the story of Robert Moses (whom he wrote a great long book about, "The Power Broker").

You can buy the recording of "On Power" here, on Amazon. I just did.

Also at the first link, an interview with Caro. From the interview:

[Y]ou know, someone else records my books; an actor with a better voice. 

Yeah, I know, I love that guy. Grover Gardner. I started listening to Caro's LBJ books because they were read by Grover Gardner, whom I'd listened to — it took me all summer one year — reading "The Rise and Fall of the Third Reich."

I have a New York accent, of course, but Audible wanted me to read it myself, which I did. And I’m happy with the way that it came out....

[W]hat I explore in On Power is that power reveals when someone is climbing to get power and he has to conceal what he wants to do because if people knew it they may not want to give it to him. Then once they get power they do what they want, and then you see, like in the case of Lyndon Johnson, in the episode that’s in the audiobook, as soon as he is elected to congress he transforms the lives of his constituents for the better. That’s two hundred thousand people in the Texas Hill Country. By using the power of the New Deal Rural Electrification Act to transform their lives, via an act of real political genius, he made a huge impact. But he couldn’t have said that’s what he planned to do in his campaign. But he remembered his mother having to pull water up from their well, and how hard it was, and how hard she worked, and he swore then that if he ever got the power to change things that he would. So he got power as a young congressman, 29 years old, and he immediately set out to do that and succeeded....

There’s an anecdote about Lyndon Johnson toward the end of On Power, where he wanted to get Kennedy’s civil rights legislation passed, but he knew there was a tax bill holding it up on the floor of the Senate. He needed three votes, but he was told he couldn’t get them. But after three phone calls, he got all three. That’s not just power from control or fear, but knowing what buttons to push and having remarkable political skill....