We will have to continue to improve our human intelligence system-something that was, unfortunately, lacking in the years which led up to September 11. This is going to be a continuing process of change.

It's counterintuitive, but the most divisive arrangement is when the same party controls both Congress and the presidency, a situation encountered in eight of the past 10 years. With government unified under a single party, the minority has the least possible incentive to cooperate with the majority.

I loved my time in Congress, but people who spend all of their time planning to run for office have very few useful skills to deploy when they finally get there.

Let individuals create real wealth, empower them, create something that they can leave for their children.

I remember my own life as a small boy, son of Jewish immigrants, in a janitor's flat on Orchard and Stanton streets on the Lower East Side of New York City. My father made pants and doubled as janitor of a tenement - before he made janitoring at $30 a month, plus rooms, a career.

Playing the misunderstood character has been really interesting to me. But I think after too long, that also becomes a little bit of a cliche. Or that's all you're expected to do. I didn't want that to be the totality of what my career was.

This conducting thing happened. In 1983 I was sucked into this international career, which was a very scary experience.

Employing more women at all levels of a company, from new hires to senior leaders, creates a virtuous cycle. Companies become more attuned to the needs of their female employees, improving workplace culture while lowering attrition.