>> reporter: yeah, that's right. state department confirming they've got this written response from russia in their hands. it's their response to america's security proposals over ukraine. we don't know the contents of the letter but what we do know is that secretary of state blinken is speaking with russian foreign minister lavrov tomorrow and you have to imagine this is going to be the main topic of conversation. david? >> ian, thank you, again. back here at home tonight and to this political battle now brewing over the next supreme court justice. president biden, of course, promising to nominate the first black woman to the court. some republicans now calling that offensive, the promise. and tonight, what republican presidents have promised in the past. ronald reagan and his campaign promise before the 1980 election. and his argument back then that his promise was as long overdue. rachel scott on the hill tonight. >> reporter: tonight, as president biden narrows down his pick for a supreme court nominee, some republicans are taking aim at his pledge to appoint the first black woman to the bench. >> the fact that he's willing to make a promise at the outset,