Whenever Amira Hass tries to explain her vocation as a journalist, she recalls a seminal moment in her mother's life. Hannah Hass was being marched from a cattle train to the concentration camp of Bergen-Belsen on a summer's day in 1944. "She and the other women had been 10 days in the train from Yugoslavia. They were sick and some were dying. Then my mother saw these German women looking at the prisoners, just looking. This image became very formative in my upbringing, this despicable 'looking from the side'. It's as if I was there and saw it myself." Amira Hass stares at you through wire-framed glasses as she speaks, anxious to make sure you have understood the importance of the Jewish Holocaust in her life.