www.enterprisenews.com By Kyle Alspach ENTERPRISE STAFF WRITER There are many things Roy MacDonald of Halifax has tried to forget about his military experience during World War II. At the top of the list is Dachau. As a member of the Army's 42nd Infantry Division, he took part in liberating the concentration camp in Dachau, Germany, on April 29, 1945. After entering the camp, MacDonald saw dead bodies