MORE ABOUT 'THE IRISH VOLUNTEER': Q&A With David Kincaid WGT's Leslie Sweetnam Reviews "The Irish Volunteer" Jan. 16's Requiem and Concert at St. Patrick's Old Cathedral 'Free and Green' Song -- and Fate -- Bring Limelight to Civil War Hero By David Kincaid In March 1988, I would for the first time march with Company I, 116th Pennsylvania Volunteer Infantry (Irish Brigade), through the s…