message for the israelis today? >> a source familiar with the matter tells nbc news that israel did notify the u.s. that a response was coming, but so far very little has been said by the white house, by the national security council. all we've heard from the biden administration is secretary of state antony blinken earlier said he had no comment on the actual strike, but take a listen to what he did say. >> the united states has not been involved in any offensive operations. what we're focused on, what the g-7 is focused on -- and again, it's reflected in our statement and our conversation -- is our work to deescalate tensions, to deescalate from any potential conflict. >> reporter: again, chris, that's a word we've been hearing over and over again, deescalation. again, we have not heard yet from the white house at this point. it appears that u.s. officials at this point are waiting to see what israel says about this strike and going forward, what