Germany’s GDL train drivers’ union is again calling for a strike lasting several days in the wage dispute with state-owned Deutsche Bahn and other railway companies, the union announced on Sunday evening. In passenger transport, the strike is to begin overnight in the early hours of Wednesday and last until Friday evening. In freight transport, GDL members plan to put down work on Tuesday evening. The German rail operator Deutsche Bahn (DB) has called on passengers to postpone journeys planned during the strike. On Sunday evening DB also announced it intends to offer an emergency timetable. “T…