The Maine Community College System board of trustees is voting on a new president at one of its colleges. At its meeting Wednesday in Calais, the board will vote on system President Joseph Fitzsimmons’ nomination of Joseph Cassidy as the next president of Washington County Community College, effective July 1. Cassidy is a longtime faculty member at the college and an attorney in Calais. If approved, he would replace his uncle, William Cassidy, who’s been serving as interim president since 2012. Washington County Community College has 475 students and is one of seven colleges in the community college system.