In the wake of the deaths of three children on Saturday, apparently killed by their mother, the Nassau County Children's Protection Services supervisor was suspended today. Caseworkers had gone to Leatrice Brewer's apartment to investigate complaints, but she was not in. According to Newsday, Nassau County Executive Thomas Suozzi said CPS supervisor Eddie Arrendondo failed to send caseworkers on Saturday to follow up, "despite the warnings by relatives that the children were in mortal......