On the day of the UK election, let's look at non-religious prime ministers

[Taxloss]

Margaret Thatcher
Born into Methodism, she attended chapel as a child and converted to Anglicanism on her marriage. In office she showed more signs of respecting the form than the substance of organised religion. Though she professed to believe, many doubted she believed in anything but herself

Winston Churchill
At best detached from religion and in reality a strong sceptic, Churchill did not base his politics on his belief in a god. "He had a very real religion, but it was a religion of the Englishman," explained one charitable archbishop. Churchill would have put his doubts rather more strongly

Clement Attlee
Born into a Tory family and at first a conservative barrister, Attlee became a socialist when he saw the East End of London. Religion was not the reason for his zeal: he told his biographer he had no real faith, though he accepted the outward religious norms of his time

Many, many more: http://www.guardian.co.uk/guardianpolitics/story/0,,1443711,00.html

Blair is an aberration in this country, and long may it remain so.