AMERICAN PERSPECTIVES A traveling exhibition from the American Folk Art Museum in Washington, D.C., this show includes 70 significant pieces ranging from the 18th century to the present day. With works that include textiles, sculpture, pottery, and painting, the show asserts that folk art is a genre affirming that “everyone has a story to tell.” Feb. 3-May 7. Portland Museum of Art, 7 Congress Square, Portland, Maine. 207-775-6148, portlandmuseum.org PLEASE STAY HOME: DARREL ELLIS IN DIALOGUE WITH LESLIE HEWITT AND WARDELL MILAN Darrel Ellis, who died in 1992 at just 33, used his brief career to carve out a unique...