With a date to reopen for public events uncertain, the Royall House & Slave Quarters is presenting three virtual events under the umbrella "Giving Voice," the title of its traditional annual fundraiser. This evening's program will be an engaging reading and conversation with Honorée Fanonne Jeffers, author of "The Age of Phillis," long-listed for the 2020 National Book Award for poetry. Jeffers is a poet, fiction writer, scholar and essayist whose work examines culture, religion, history and family. Her new…