Tim Kaine actually said...

I really appreciated that aspect of Dr. Ravich's testimony because it kind of challenged my own thinking.

I was amazed how much of it was known by folks with the administration and how little was done.

we still have not responded to the Russians in a way that the rest of the world sees that you cannot get away with doing this to the United ...

It works by convincing a potential adversary that it will suffer unacceptable costs if it conducts an attack on the United States.