But as I wrote the book [Louis D. Brandeis: American Prophet], I tried to write it as clearly and directly and passionately as possible just thinking of communicating to readers who might want to learn about this great thinker and be inspired by him as I was.

[Louis] Brandeis is writing directly to us. His clear voice comes through a century and he's speaking to us and he's galvanizing us and he's persuading us. And that's why I love to read the prose.

Before Sept. 11, the idea that Americans would voluntarily agree to live their lives under the gaze of a network of biometric surveillance cameras, peering at them in government buildings, shopping malls, subways and stadiums, would have seemed unthinkable, a dystopian fantasy of a society that had surrendered privacy and anonymity.

Louis Brandeis really inspired me to write this book [Louis D. Brandeis: American Prophet]. It was a crazy deadline. The editor said I'd miss the hundredth anniversary unless I pumped the thing out in six months, because I'd been delaying and dilly dallying for so long. So he both inspired me to get up early and write.

[Louis Brandeis] at the age of 57 decided to become the head of the American Zionist movement was more influential than anyone else in the 20th century in persuading Woodrow Wilson to recognize a Jewish homeland in Palestine.

The tyranny of Harvard and Yale is another thing that transcends this problem of the set point. But what's so striking about [Louis] Brandeis is he had this vision of cultural pluralism that completely gave the lie to the idea that there was any inconsistency between being Jewish or being a woman or being African American and being fully American.

And he [Louis Brandeis] talks to his young acolyte, Horace Kallen, who wrote this beautiful book called Cultural Pluralism, and he comes to believe that by being better Jews, or better members of our ethnic group, we can be better Americans, because America is like an orchestra in which identity is defined by the diversity of perspectives that we bring to the table.