Joseph Biden actually said...

The State Department formally accused Vladimir Putin`s military of committing war crimes in Ukraine, citing the indiscriminate targeting of ...

We would respond if he uses it. The nature of the response would depend on the nature of the use.

And I sat down, and I said, 'America is back.' And one of the -- one of my counterparts, colleagues, a head of state, said, 'For how long?' ...

I think that the President and his top advisers believe it is working as it is designed to and perhaps better.