From the epochal to the mundane, the decisions of Singapore’s Minister Mentor Lee Kuan Yew have steered the history of his island nation for more than half a century. But as the political party Lee founded in 1954 seeks to shore up its sliding fortunes with a younger and more politically outspoken electorate, the 87-year-old man regarded as modern Singapore’s founding father has withdrawn from day-to-day governance by quitting his Cabinet post along with Senior Minister Goh Chok Tong, who succeeded Lee as Prime Minister in 1990