we'll get ready for it all with paul sheard.his man creates software, used by this bank, to protect this customer, who lives here and flies to hong kong, to visit this company that makes smart phones, used by this vice president, this little kid, oops, and this obstetrician, who works across the street from this man, who creates software. they all have insurance crafted personally for them. not just coverage, craftsmanship. not just insured. chubb insured. . >>> welcome back. happy friday to you. we have the futures -- the currency board. the dollar continuing its strong week. up around about 0.4% against the dollar. decent move against the yen. well above 1.04. the pound slipping. joining us is paul sheard chief global economist at s&p. thank you for joining us. >> good morning. >> let's talk about the dollar strength and we hear from janet yellen later today. is it purely predicated on fed rate hike expectations or is there more fundamental strength in the economy that it's looking at? >> i think those two are related. the u.s