Reporter: The U.S. has already given more than $2.5 billion since this war started. How long can the U.S. expect to bankroll so much of this war?

Psaki gave a long-winded, non-answer.

Psaki: We are recommending everyone wear masks on planes. That is what the CDC is recommending, that is the public health guidance we are following.

Reporter: What's the latest on the reported chemical weapons attack in Mariupol? Did the Russians use chemical weapons?

Psaki: There's no new assessment from here.

[she knows the claim is nonsense]

Psaki: [The lockdown in Shanghai] is a very fluid situation. [for supply chain]

[no recognition of it being inhumane; criminal]