Where a public body responds to a Freedom of Information Act request by explaining how the request would create an undue burden and asking the requesting party to narrow their request, the public body does not have the duty of proving that it would be unduly burdensome by clear and convincing evidence as it would if it invoked an exception listed under Section 7 of Freedom of Information Act.The 1st District Appellate Court affirmed a decision by Cook County Circuit Judge Kathleen Pantle.The Sargent Shriver National Center …