It's great to be doing something that stretches me a bit," says Sarah Gillon, who works for Westminster Council in London. "And you actually feel that people want to work with you because you are not seen as a nasty social worker." Gillon did not have to change careers to experience this professional transformation. A qualified social worker, she joined the "remodelling social work" team at Westminster in April, and spends half her week working at a secondary school...