The chaplaincy article is written by the Rev Sam van Leer, Groningen chaplain. 2017 is a momentous year. Lots of referenda and elections have taken place and will do, and community, political and international relations seem under particular strain in these uncertain times. So the Week of Prayer for Christian Unity in late January this year has had special poignancy, not least too because this year is the 500th anniversary of Martin Luther’s effective launching…