PRIVATEgo Over the top.IN FIERCE FIGHTING.During the latter part of May the Rainbow division, of which the Dubuque boys were a part,was ordered into the front linetrenches, probably near C antigny. I he boys entered withlight hearts; then were in the first line trenlt;hes; they were facing the foe and they were soon toMrpartake of charge and counter charge. ( n the 2 7th of May acharge same or a charge was m; ide. I he boys were hie r tofa' e with the Germans, either inan offensive or deb nsive move