【明報專訊】WHEN Vice-Premier Li Keqiang was in Hong Kong, the police cracked down on protesters on the pretext of protecting him. The University of Hong Kong (HKU) has freely faced its mistakes. HKU Vice-Chancellor Prof Tsui Lap-chee has courageously taken the blame, acknowledged his mistakes and given society and HKU faculty and students his solemn pledge that he will safeguard the university's autonomy and the freedom of speech on campus.