Three hundred people from Martha’s Vineyard and Nantucket traveled to Beacon Hill yesterday with a mission: save island communities from what they say is a death spiral of rising home prices and short-term rentals gobbling up year-round housing. They called on legislators to pass a local-option fee of 2% on transfers of high-value real estate. The first $1 million of value would be exempt, and the money would support affordable housing. Traveling in five tour buses, they pulled up in front of the State House for a day of meetings with legislators and staff, followed by a rally on the capitol...