In China, we have seen progress.

We haven't made that much progress since December because of patent problems. We sort of lost six months. . . . But now we are moving forward again.

Some of the fires are so hot, so challenging, that it's difficult for us to make any progress,

Jobs are critically important, but looking at economic change through the impact on jobs has always been a difficult way to think about economic progress.

Progress is not alone a matter of technology.

One can not impede scientific progress.