They're not convinced that everything was being done that could be done.

It's not getting better fast enough to prevent a collapse of the system. They just cannot stand it anymore.

I do not know that there is a more certain sound than Senator Kennedy. I cannot imagine a more uncertain sound than Senator Kerry.

I'm not convinced otherwise.

Of course, it's not what we were hoping for, but I'm convinced that this is not the end of the investigation,

became convinced it's not the best thing to do.