Rachel Griffin-Accurso, a children’s entertainer whose YouTube show Ms. Rachel routinely garners hundreds of millions of views, has found herself at the center of controversy in recent months over her support for the children of Gaza. On her social media profiles, Griffin-Accurso has often been outspoken about her concern for the untold number of children who are being shot, blown apart, and starved to death in Gaza as a result of the Israeli government’s campaign against the Palestinians. Now, she tells the Washington Post that she plans to have 3-year-old Rahaf Saed, a young survivor of an Israeli airstrike, on...