crucial issues like climate change like international trade it is only by working multilaterally that we can really hope to make progress in dealing with very very difficult challenges and yet those are precisely the two areas where we're told they're having a lot of trouble negotiated a final communique climate change on the one hand and support for the world trade organization on the other and unfortunately the united states the world's most powerful country and economy is source of a lot of that friction and certainly the source of an impulse to move toward nationalist bilateralism rather than multilateralism and yet as i say many of the crisis that we face today will not be dealt with if we try to do it by latter you know the u.s. president would probably disagree with you or many of those points here at the g. twenty summit today with a new trade deal between the us mexico and canada signed sealed and delivered the new treaty replaces nafta which trump blame for the loss of industrial jobs in