A three-day train drivers’ strike ended throughout Germany on Friday evening, but the head of the GDL union warned that rail operator Deutsche Bahn should prepare for more industrial action to come. “After completing these strike measures, we will give the company (Deutsche Bahn) some time to come to its senses,” GDL boss Claus Weselsky said in Berlin on Friday evening as the strike wound down. “If they don’t do that, the next industrial action will follow. It will be longer and it will hit the company even harder,” Weselsky added, without giving a date for another strike. The strike at Deutsc…