NORWALK, Conn. — Geriatric care manager Joan Blumenfeld of Norwalk has a trusty assistant she takes with her to visit many of her elderly clients, and he can perform a perfect arabesque.It’s her snow-white Maltese named Bromley. He is a certified pet therapy dog who she said can do "a whole bag of tricks” in addition to his dance talents.“I’d say we make a great team,” Blumenfeld said. ...