In the past, Britons were scathing about the cruelties of the old Roman empire and the excesses of Catholic empire builders such as the Spanish and the French. They convinced themselves that their empire was different and benign because it rested on sea power and trade rather than on armies.

Irrespective of their party affiliation or wishes on the matter, those governing from 10 Downing Street now have to take on much of the aura and role of head of state. And this is bound to have heavy consequences for their family.

For good or for ill, Britain is in some respects moving away from a prime-ministerial system towards a presidential one. This is emphatically not, as is sometimes argued, simply a function of Tony Blair's personal ambition. The shift towards a more presidential style was already visible under Margaret Thatcher.

Linda Colley Quotes