The heyday perhaps of American public infrastructure is the Sputnik moment of the 1950s, the [Dwaight] Eisenhower administration, for instance, which rolls out the modern interstate system. The highway system of the United States is built during this period.

People put on their earphones, they lay out their phones, they put - open up their computers, and they convince themselves that they're most productive when they're focused on their e-mail, when, really, they're ignoring the cafeteria, the watercooler, the meetings with colleagues, the times when really the creativity, collaboration happens.

There are still very few companies run by women these days. And, clearly, there are many reasons for that, including what many see as the role of both unconscious bias and outright sexism.

That was an exception within the [Barack] Obama administration's economic policy, a crisis that he inherited from the previous administration, and felt it was essential to carry through on.

I have no doubt about it. I think this is a part of the nature of man, a desire for freedom, for dignified life.

People want jobs, but nobody has a recipe for how to get them. And so they are trying different things.

Young people realize that something is amiss. There's a generation that fell in love with their phones, and it's very hard for them to see that there's a problem. But young people are desperate for the attention of their parents, who are really not paying attention to them.