Bike BuffoonryYankee humor, even in the grim businesss of war can not. be sut-Dressed lor long. Witness Sgt. James V. ShifTcr. of EhzabLm ’town N. J.. left, and Sgt. Joseph Ignozzi. of New KenMD^on, 1Pa. ’who, taking time out from the battle of Trier. German_swaged an imnromctu “bicycle act’’ for tiieii budd4es,_.