At all or try to differentiate themselves. they've been amicable in the last two debates. and we'll be watching what happens with the middle tier candidates. folks like kamala harris and cory booker, whether they can have a moment. >> and another plan, athena, from elizabeth warren, the thinking is you just lay it out that biden will go over just having a bunch of plans. a new one this morning on a big issue, entitlements, social security. what is she laying out? >> that's right. and this is ambitious. she's proposing a major expansion of the social security program. she's calling it the bigge...