Unlike Mr Riordan and William Simon, the distant third candidate, he is not independently wealthy, and his fund-raising is off to a slow start.

ECONOMIST: California's Republicans

The Dowager Duchess of Sutherland had Carbisdale Castle built between 1907 and 1917 following the death of her husband, George Granville William Sutherland-Leveson-Gower, the Third Duke of Sutherland.

BBC: Sutherland's 'Castle of Spite' hostel may close for good

As MPs concluded report stage debate on the bill and began third reading, Foreign Secretary William Hague told MPs that the bill was a "significant and radical overhaul" of how decisions on Europe were made.

BBC: European Union Bill part two