This year, however, there are just three candidates to defend the system.

So how can we defend the system that we've got?

Q. But market participants defend the current system, don't they?

Those who defend the present system say such changes could damage the officials' objectivity.

What was left of the fleet could, perhaps, defend the inner system if they pulled back all the way.

"But with a force like that they could have defended the whole damned system!"

The white blood cells, you will remember, defend the immune system.

Harrison and others defend the present system with another argument.

That is why so few welfare recipients defend the system.

I wasn't going to try to defend the system on this one.