let's go to washington and our correspondent philip crowther. in practical terms, what does the ruling mean for people in the 6 nations who had been planning to travel to the united states? philip: they might have to come up with completely different plans, because the trump administration in the past had said that once the supreme court decides that this executive and upholds the executive order, it would take 72 hours to implement from that moment, meaning in theory, in three days time, this immigration, travel, and refugee ban will be up and running for the first time, and will stay so for quite a while. the fact that the supreme court takes this up in the autumn is not necessarily a surprise. the fact that it decided to keep large parts of this executive order running, that is the big surprise. there are some exceptions here. not all of it has been confirmed by the supreme court. there are some exceptions. for example, those citizens from those 6 muslim-majority countries who can show they have a bona fide relationship with a person in the un