A Longtime Political Refugee Seeks Singaporean Justice

Tan Wah Piow, a onetime student leader who fled Singapore after a trumped-up trial that found him guilty of participating in a 1975 riot in a union hall, is asking that his conviction be quashed 42 years later after the chief witness against him was convicted last month of long-running embezzlement of union funds.

Tan, arguably Singapore’s most prominent…