Dumped on the city by former premier MIKE HARRIS and his Progressive Conservatives a couple of decades ago, Toronto Community Housing Corp. (TCHC) is now in way over its head.  TCHC – home to 110,000 tenants; – number of properties – 2,100; – massive repair backlog; – broken units closed, communities fractured; – bouts of poor management; – projected repairs – $1.6-billion over 10 years; – value of public assets owned by TCHC – about $9-billion.