When my son was a mere three months old, I started working at the State Department. I was not only the youngest Assistant Secretary of State but I was also a breastfeeding mother. I'm the first to admit that this felt crazy at times, and the balancing act is never ever easy. But my two kids are the most wonderful things that have ever happened to me.

We must be honest in acknowledging that neither Germany nor the US has the luxury of assuming that we can skate by on half-measures in Afghanistan and Pakistan and not risk suffering the consequences.

I have great ambitions for when I get out of government. I will watch a broader range of stuff.

It's in our interest to continue with the Paris Agreement and to deal with climate change as the real threat it actually is.

Thirty years ago, about 80% of a company's assets resided in its plant and equipment, with 20% in the knowledge of its people. Today, the reverse is true. The knowledge of our staff is our principal asset

We're well aware, and we have been for a long time, that there is a real threat from adversaries, state actors, non-state actors, to hack us, influence us, destroy stuff through cyber means. Because cyber threat has been understood for a while, it's longstanding, it's a concern.

If you're trying to get something done, there will always be people who don't want to see you get something done, or who have a stake in the status quo. And if they approach that through ad hominem criticism of you, you've got to have enough confidence and thickness of skin to be able to endure.