State Rep. Jay Kaufman’s award-winning public policy forum Open House takes a close look at the increasing importance and impact of the burgeoning life sciences industry in, “A Conversation with MASS Life Sciences CEO Susan Windham-Bannister.” The forum, the sixth of the 20th season, will be held from 7 to 8 p.m. Feb. 19 at the historic Depot in Lexington Center, 13 Depot Square.