As a delivery summit. it's a summit where people have made all kinds of promises to do all kinds of stuff, net zero by 2050, and all that kind of thing, but, actually, what everyone is looking for, what the science is looking for, is action very soon in the coming years and, until the building blocks are in place in washington, it's very hard to see how joe biden can deliver. i see read that are ways and mechanisms and so forth but, at the moment, i'm definitely picking up in the corridors here questions about how america can deliver. there's no question that it's serious about the agenda but ...