let's talk about this with greg valliere with horizon investments. good morning. >> good morning, dave. >> how significant is the deadline for the nafta deal? and what about congress? >> i think it is a big deal. here it is friday before labor day weekend. you think nothing would go on for the markets. this is a big story. if talks fail today, the markets would conclude we're in for a long trade war with canada. if, on the other hand, the canadians capitulate, and i think they will, that means the other deals with western europe and china, i think the prospect for other deals will improve. >> why do you believe that, greg? >> i think the parts of the deal that are crucial like auto content rules and dispute resolution mechanism. if they agree on that, it makes it easier for the u.s. to agree with other countries on things