By Roger Wrubel It began for me in 1995. I was working with a new grassroots organization, the McLean Open Space Alliance (MOSA), that formed to try to protect more than 200 acres of undeveloped land owned by McLean Hospital. The hospital campus occupied about 50 acres, and McLean owned about 180 additional acres of forests and meadow beyond that. During a period when hospital finances were challenging, Partners HealthCare, of which McLean was a part, wanted to sell its “surplus” property to developers. This created great controversy in Belmont. About a third of the town favored development, including the [READ MORE]