Ruby Aznaq-Abu Sada was born in a tiny apartment, steps from the place where Jesus died.She grew up walking every day through the marketplace that lines the Via Dolorosa, the Way of the Cross, in Jerusalem.Ruby Aznaq- Abu Sada. Credit: Jack Figge/Pillar Media.When she had kids of her own, she raised them in the small Christian housing project in which she grew up.But while the Christian population of Jerusalem has dwindled dramatically in recent…