They don’t yell or protest. They don’t hold signs or march. But in Singapore, a chorus of concern is rising on their behalf. From living rooms to parliament, the country is facing hard questions about the way animals are seen, protected and valued.In February, a 32-year-old Singaporean man was sentenced to 14 months in jail for abusing five community cats – a spree of violence that culminated in the horrific act of throwing two of them from high-rise public housing blocks in Ang Mo Kio.Just...