Free at-home visits from a specially-trained nurse are now available for newborns and their mothers in five counties in New Jersey, state officials announced this week. The visits are part of the Family Connects NJ program, which recently launched to offer support for families and newborns within two weeks of their deliveries. Officials are implementing the initiative in phases. The program began offering the nurse visits in Cumberland, Gloucester, Mercer, Middlesex and Essex counties on Jan. 15, officials said. Participation is voluntary. In addition to mothers who gave birth, those eligible …