Damian Shiels, author of the book “Green and Blue: Irish Americans in the Union Military, 1861-1865" I Episode 109

Rick talks with Damian Shiels, author of the book “Green and Blue: Irish Americans in the Union Military, 1861-1865 (Conflicting Worlds: New Dimensions of the American Civil War)."  Hear first-hand accounts from the letters of the soldiers themselves.