today. phil, certainly on the american scene, it is all about catastrophic catalysts, that if you don't have a huge thing and even when you do you don't necessarily get change and yet in the boyden administration isn't sending all of these big shots to this summit a sign of more kind of energy, you know, no pun intended, behind this issue than we've seen in the past. >> no question about it, and i think can you say it's just for optics and it's for public relations that show that we care and there's real depth behind it in terms of underscoring, just that the u.s. is prange on making commitments, that the u.s. is going to do what they do, but they believe in bring all these commitments they will be bringing not just from the administration side but also from the private sector side, that they are leading as well, and i think that is a critical thing. the level of urgency right now not because of the dire moment