FROM CNN'S SECURITY CLEARANCE BLOG: Republican members of Congress plan a host of questions for Secretary of State Hillary Clinton during her long-awaited testimony on Wednesday about the deadly attack on the U.S. diplomatic compound in Benghazi, Libya. Questions are expected to range from a security vacuum in Northern Africa to new cables suggesting that … Continue reading Secretary of State Clinton preps to face grilling on Benghazi – Jill Doherty reports