WHEN CHARLENE DICALOGERO LIVED ALONE in an apartment in Watertown, she knew none of her neighbors. "I felt lonely and isolated," says the 53-year-old, a grants administrator at Lesley University. But since buying a $230,000, 700-square-foot home at Camelot CoHousing in Berlin four years ago, DiCalogero couldn't be lonely if she tried. Camelot is an [...]The post Private: Introducing the Retirement Commune -The Boston Globe appeared first on Sally Abrahms.