and in supporting the things we all agree on, which is the need to help families and to help support them as they try to get back to work following the pandemic by supporting things like pre-k and childcare. >> well, i'm glad you bring up, of course, senator sinema because we are talking about, you know, senator manchin, he's had his very specific issues. senator sinema's issues have been somewhat less defined, obviously. but also, different. right? and you talk about paying for this. senator sinema has said taxing the working wealthy and corporations are off the table. now, i know there is talk of resurrecting something senator wyden's been working on for a long time as sort of a wealth tax for billionaires. but wyden's been working on this idea for two years. they don't, yet, have legislative language, yet. and so, it's unclear how much it would raise, how it would be doable. so, is there really going to a pay for in this bill? >> i think all of us agree that we should be raising the revenue to pay for this so that we are not adding to the deficit. that's been a core principle