delighted to have you all with us, on behalf of my co-worker, john hillman, and myself, we're delight to have had you here with us. this is going to be a very special hour. i've been at csis almost 10 years and i think this may be i can't think of a more high powered panel that we've had or i've had the chance to moderate. i'm looking forward to this, i think you'll enjoy it as well. i'm going to introduce the panel in just a second but let me set the scene by saying, this is actually infrastructure week, at least at csis. there's obviously, we all know there's been some -- i don't want to jinx it but some, hopefully some progress on capitol hill on a domestic infrastructure plan, $1 trillion of spending on infrastructure, we've also been here at csis doing some work on trilateral cooperation between japan, the united states and china, trying to move forward an initiative of their own and the g-7, the group of seven advanced market democracies, as i think people know, back in june when they met in britain, agreed on something called build back better world, which was their name for a