David sanger. he's the white house and national security correspondent for "the new york times" and author of "the perfect weapon." i just -- you know, that news, david, a 6-year-old boy died, you just think this didn't need to happen. this just did not need to happen. i want to ask you about the just response, what we're seeing from the west. there's new sanctions from the u.s. and major european nations expelling russian banks from the high security s.w.i.f.t. network. this is quick escalation in response. what makes this different from what biden announced the other day? >> well, the other ...