Margaret Hamburg

I've been a medical and public health professional as well as a mother. I became skilled at juggling a number of priorities and competing interests. Like many other female leaders, I've tried to serve as a role model for the young women at my organization who are trying to balance a high-level leadership position and a family.

At FDA, our mission is to promote and protect the health of the public. As commissioner, I've worked hard to galvanize people around that idea. I want employees to be thinking about the unique and essential contribution they are making to our mission.

There are clearly many good politicians who are guided by religious belief, so the mix can work. But there's a line to be drawn. It would be hugely dangerous for a country's laws to be set by the scriptures, and particularly those of the expansionist religions.

That was the first major social sciences conference at which social scientists from all cultures wanted to reach a consensus on whether we can continue to pursue a national course in the social sciences or whether we need a cosmopolitan path that also connects us in a new way.

Though builders may build, in the main they follow the plans of architects. Teachers teach, but they must have a text. Politicians govern, but only upon the flow of commentary that raises them up or casts them down.