The charity's chairman Sir Peter Lampl said the strong performance of some Asian countries could reflect cultural differences, adding that Chinese students often outperformed their classmates in Britain too.

BBC: Warning over world schools rankings

And I would say Sarah Raskin and Peter Diamond are also under strong consideration for additional vacancies.

WHITEHOUSE: Press Briefing

However, there certainly was a strong contrast between Peter Robinson's dismissal of holding a border poll when talking to me on Inside Politics on Friday and Arlene Foster's hint on the Nolan Show four days later that the party might call Sinn Fein's bluff over a referendum.

BBC: United Ireland border poll call: diversions and u-turns