【明報專訊】CHIEF Executive Donald Tsang Yam-kuen's acceptance of favours from tycoons has caused widespread public concern, and the issue is not yet settled when he is again in the limelight for his indulgence in luxury and extravagance. The day before yesterday, the media revealed that, during his visit to Brazil, Tsang stayed in a hotel presidential suite for one night, which cost taxpayers as much as $54,000.