GIVEN that any mistake could mean the difference between life and death for hundreds of people, you would think that Andy Roberts has a stressful job.As an air traffic controller at Gatwick, he juggles planes both on the ground and in the skies over the airport, judging when there is enough space up in the air for flights to take off.However, despite the catastrophic potential of any blunder Andy insists that he felt more pressure in his former job – as a retail manager in an electronics...
