A homosexual foster couple were left free to sexually abuse vulnerable boys in their care because social workers feared being accused of discrimination if they investigated complaints, an inquiry concluded yesterday.Craig Faunch and Ian Wathey were one of the first homosexual couples in the country to be officially approved as foster parents.They looked after 18 children in only 15 months.Ian Wathey (left) and Craig Faunch were jailed last year for sexually abusing young boys