"Hitler came and shook my hand after the race," Zamperini recalls. "I was one of three Americans who shook his hand. But what happened was that one of his advisors told him that once he starts shaking hands, he'll have to shake all of them. We all knew he wasn't going to shake Jesse's hand."
“The Official Web Site of The United States Olympic Committee, teamusa dot org, 2009/11/12.”

It seem Louis Zamperini was fascinated by the Nazi's, here is another incident:

True to form and before departing for home, the troublemaker turned champion runner stole a Nazi flag off the Reich's Chancellery. Caught by the Gestapo, Zamperini convincingly talked his way out of the predicament and proudly brought the flag home.
“sports humanitarian dot com, 2008.”

And after all these years, over half a century, this is what the man thinks of Hitler:

Zamperini shook the Nazi leader's hand and thought the man odd. "Like a dangerous comedian," he said.
"Veterans Journal," Winter, 2006, Franklin County Veterans Service Commission, Columbus, Ohio.

Really? A comedian? That's a first in describing Hitler. Both Laura Hillenbrand and Louis Zamperini need to come clean about the Nazi question in the paperback version of "Unbroken" because now it is broken.

Zamperini's saga has always been told narrowly, from Zamperini's perspective. Hillenbrand brings in the perspectives of so many people who witnessed the story, including Louis' family and the other families on the home front, the Japanese spy who attended college with Louis, his pilot and fellow raft survivor, fellow POWs (including entries from secret, never-before-published POW diaries), and the Japanese guards in POW camps. Before Hillenbrand, no one had ever discovered the breathtaking story of the seven-year flight from justice of the villain guard known as "the Bird." The "kill-all order," under which the Japanese were set to murder all of the POWs, has never been explored in the depth that this book explores it. And within the smaller story of this one man, Hillenbrand tells the whole sweeping story of servicemen in the Pacific War. To say this is not groundbreaking is to do this book, and this author, a great disservice.

As for reaching deeper into the story, I found Hillenbrand's exploration of human resilience, and the role of dignity in survival, moving and illuminating. All told, this was a wonderful and deeply thought book.