One of Gao Zhen and Gao Qiang's best known sculptures is one which depicts Chairman Mao repenting on his knees. Is this what they wish for, if Mao were still alive? And how have the avant garde artists been penalised for being openly critical of Mao in their works?*Gao Zhen is in town to stage the first Singapore edition of his performance art World Hug Day. A collection of his works can be viewed at Vue PrivǸe (20 Cairnhill Road) till the end of February.