The Medford Historical Society and Museum presents author and historian Stephen Puleo in a Zoom talk about his book, "Voyage of Mercy: The USS Jamestown, the Irish Famine, and the Remarkable Story of America's First Humanitarian Mission." Puleo’s well-researched book tells the incredible story of the Irish potato famine, the USS Jamestown voyage, its captain Robert Bennet Forbes, the Irish priest who ministered to the starving in Cork city, and the commitment of thousands of ordinary Americans who offered relief…