Toddler gets bone marrow from Jewish day school principal after his school’s registry drive
Rabbi Yossi Kastan, the head of a Jewish day school in suburban Baltimore, says he’s “always wanted to change the world.” Last week, he did precisely that for an ailing 2-year-old girl. On Sept. 21, the day after Rosh Hashanah as well as the Fast of Gedaliah, Kastan donated his bone marrow to the girl,…