They have made some progress, but clearly some significant issues remain and until it's done, it's not done.

A petition to scrap the contracts would take energy away from getting an agreement and impede further progress.

Delphi has thrown a new proposal on the table. That's a good thing. It's got to be better than the last offer.

Progress is not alone a matter of technology.

One can not impede scientific progress.

In our seeking for economic and political progress, we all go up - or else we all go down.