unilateral basis. obviously, these are the kinds of negotiations that need happen with our various allies in the region. and make sure everyone is at the able and have to go cautiously forward. i'm a big believer in constant engagement. that's what i call it. we should be engaging frequently with everyone because, you know, whether it's climate change or nuclear proliferation, the globe has become much smaller. we need to have those relationships all the time. but to do it by tweet and go off and try and yacreate a celebrit moment, i'm not sure i understand the benefit. >> let's talk about an issue closer to home. i want to ask you about the busing controversy that took center stage at night two of the debate. i know you were night one. this was this moment between senator kamala harris, former vice president joe biden. earlier today, here on cnn, senator harris' national press secretary revealed harris supports busing today. would you support busing to help further integrate schools if elected president? >> well, certainly, making sure