New Singapore PM Lawrence Wong's test: Change with continuity

SINGAPORE -- When 72-year-old Lee Hsien Loong steps down as Singapore's prime minister on Wednesday night after 20 years in office, it will mark the end of an era for the country. 

Deputy Prime Minister Lawrence Wong, 51, will be sworn in to replace him, becoming the country's first leader born after its independence in 1965. The former bureaucrat faces heavy expectations for building upon the legacy of his predecessors, who transformed Singapore into one of Asia's most prosperous nations.