This. to this day. >> reporter: but as the two countries move forward, former prime minister brown takes an optimistic view. >> that despite all the different problems that will arise, this relationship will endure and perhaps strengthen in the years to come. >> well, speaking of special relationships, prince william and kate middleton have invited 1,900 people to the wedding. take a look at the list. figure out who received one of those prized invitations. was it former prime minister tony blair, sarah, the duchess of york, paul burrell, princess diana's former butler, or chan shingadia, the ...