Six months ago, a woman trade union leader from Cambodia was on her way home from Melbourne, where she attended the world congress of the International Trade Union Confederation. Chhim Sithar, the leader of Labor Rights Supported Union (LRSU) of Khmer Employees of NagaWorld, was was arrested at Phnom Penh airport. She stood accused of violating her bail conditions by travelling overseas. (She and her lawyers deny this.)