robert: yasmeen, stay with us. peter, to that point, the significance of the market collapse. >> yeah. it's big. because of course first of all, economically a lot of peoplee pendent on the supply chains, on china in particular, at has been a source of a lot of material and products th we use. apple alone i think assembles the vast majority of its products in china. that's a big, big part of the american market as well. and it's big politically. the president of the united states is running for rg re-election y on his record of keeping the economy going strong. and if that seems to begin to pare back over the weeks and months to come, that undercuts his message.th sog acutely aware of particularly in private when he's talking to his aides and great anxiety abot what's happening. robert: yam che, as we went t air president trump in south carolina at a political rally his aides like acting chief of staff mick mulvaney all day lashing out at critics. framing this as a political fight as much as a federal response. 's