 In 2004 , Lee Hsien Loong , the eldest son of Lee Kuan Yew , became the third prime minister of Singapore . He introduced several policy changes , including the reduction of national service duration from two and a half years to two years , and the legalisation of casino gambling . Other efforts to raise the city 's global profile included the reestablishment of the Singapore Grand Prix in 2008 , and the hosting of the 2010 Summer Youth Olympics . 
