Between 1981 and 1991, Singapore underwent a defining decade of political change. Former Senior Minister S. Jayakumar, who helped shape three landmark constitutional reforms, sits down with three young CNA journalists at the Old Parliament House, where these laws were passed. Drawing on his new book, he revisits President Ong Teng Cheong's disagreements with the Government and the 2011 Presidential Election, when questions arose over the powers of the office — two.