Show BEHIND CLOSED DOORS W WASHINGTON D Dec 1 D Behind 1111 rinsed closed doors doers the tiro mediation b hoard board 3rd und under r the Erdman law bv c cOmposed M of Chairman Chair man Knapp of the tho interstate commerce commission and ond Charles commissioner commis commit abner of ot labor today heard beard further tet tea teti- in iu connection with tho com corn plaint of tho Pennsylvania railroad on- on o against tho the Pennsylvania nia linos lineA west tlC Pittsburg with tho the view if possible of ot preventing a strike |