now, what the realms are are places like new zealand, canada, jamaica where the queen is the head ofte. so he can only make this happen with the 15 other signatures. >> effectively then what would happen? >> then what would happen is if the duke and duchess have a daughter and then let's say they have a son afterwards, the son cannot leap fog the daughter. so the daughter then becomes the next in line to be the monarch. >> right now as it stands, charles, then william, then william's child, provided it's a boy. but if they change the rules -- >> it wouldn't matter. >> -- the girl could be next in line. >> so, for example, queen elizabeth had a sister. so because she had a sister, there was no boy to overtake her or leapfrog her, so to speak. but i love what the economist says because they rarely put this whole issue in a nutshell. they said the idea of tweaking a centuries-old royal succession has been raised for simplicity's sake, don't you think it's best to agree before prince william and his wife, as you said, announce they're expecting a child. >> it seems to me that's what they