The Seattle Opera has announced its 2018-19 season featuring five fully staged works. The season opens on August 11, 2018, with George Gershwin’s “Porgy and Bess.” Angel Blue stars as Bess alternating with Elizabeth Llewellyn while Alfred Walker and Kevin Short will alternate the role of Porgy. Lester Lynch and May Elizabeth Williams round out the cast. Francesca Zambello directs the {…}