MacKenzie Scott in Berlin, Germany on Apr. 24, 2018. (Jörg Carstensen/picture alliance via Getty Images) (JTA) — Billionaire philanthropist MacKenzie Scott has donated $10 million to the Jewish humanitarian group HIAS for its work aiding refugees fleeing the war in Ukraine. HIAS announced the gift Wednesday as Scott, the ex-wife of Amazon CEO Jeff Bezos, revealed her latest multi-billion-dollar round of charitable giving. She gave $3.8 billion to 465 organizations in this round, bringing her total philanthropic funding to $12 billion. The HIAS grant will go toward humanitarian relief for refugees from Ukraine and help with resettlement in the countries...