An Arabic language public school set to open in Brooklyn on September 4 is on its second principal before even opening its doors. Experienced educator Danielle Salzberg, who grew up Orthodox, was appointed as the school's interim principal late Monday, following last week's abrupt resignation of the school's founder, Debbi Almontaser. Khalil Gibran International Academy, named after a Lebanese-American poet and intended to emphasize Arabic language and culture, has been mired in controversy since it was first announced in February. Critics are concerned the school will become a hotbed for Islamic extremism, despite assurances from the Department of Education that...