Cannon/Las Vegas Review-Journal) Massachusetts Gaming Commission heard arguments for and against a 13-acre, $1.7 billion expansion of Encore Boston Harbor but took no formal action Tuesday. A mix of public comments supporting and opposing Wynn Resorts’ East of Broadway development at Encore Boston Harbor were heard by the Massachusetts Gaming Commission on Tuesday. This June 22, 2019, file photo shows Wynn’s Encore Boston Harbor in Everett, Mass.