At what point does a safe job become unsafe?

James Dark took a trip out on the network with a train driver to learn more about DOO. Here’s what he found
 
The dispute at Southern has put DOO in the spotlight. But is anyone any the wiser?
 
The long running industrial relations dispute over the extension of driver only operation on the Southern rail network must be thoroughly mystifying to the passengers who have suffered continual disruption to their journeys for the past nine months. Regardless of whether a settlement is n