The Boothbay Register promoted a panel discussion with Ian Long, director of the 2020 documentary “The Long Coast,” and Heather Leslie, director of the University of Maine’s Darling Marine Center. The virtual event, which is sponsored by the Darling Center and the Coastal Rivers Conservation Trust, is scheduled for 7 p.m. March 2. Participants will read more Boothbay Register advances viewing, discussion of ‘The Long Coast’