A popular longtime downtown Biddeford speakeasy that recently trimmed its menu is shutting its doors. The first inkling of Mulligans closing first broke on BiddefordBuzz.com, which confirmed the rumor shortly after its initial speculative report. The Lincoln Street restaurant/bar shut down its kitchen six months ago in what patrons predicted was the beginning of the [...] The post Southern Maine’s Version Of ‘Cheers’ Closing In Wake Of Menu Cutb…