There will be an opening ceremony next month when the bridge is completed.

That, however, would be a signal that the Fed has succeeded; it can then tighten policy.

The other is whether, should that strategy stop working, China will be able to change it.

But the campaign will still be visible then - because it is this generation that will show how the world can be.

The breadth of our engagement will be on full display next week when President Obama welcomes President Hu to the White House.