Former governor Michael Dukakis will moderate a forum on the state of national health reform at 7 p.m. June 27 at the Brookline Senior Center, 93 Winchester St. The panelists will be Stu Altman, professor of national health policy at Brandeis University; Dr. Donald Berwick, outgoing administrator of the National Centers for Medicare and Medicaid; Dr. JudyAnn Bigby, head of the state’s Executive Office of Health and Human Services; and Wendy Parmet, law professor at Northeastern University. The free event will start with light refreshments at 6 p.m. For details, call 617-730-2300.