David Armstrong has retired from full-time work after 40 years in journalism. Armstrong, 60, will step down at year’s end as president and chief operating officer of the ‘Bangkok Post’s publisher, Post Publishing. He plans to stay on the board as well as to do some writing and corporate consulting. Armstrong was editor-in-chief of the ‘Australian’ from 1996-2002, and from 1985 to 1996 was variously editor of the ‘Bulletin’, the ‘Australian’, the ‘Canberra Times’ and the ‘South China Morning Post’.