CHARLESTON, S.C. — South Carolina Republican congressional candidate Katie Arrington wants the Department of Defense to hand over all public records that discuss the suspension of her security clearance so that she can “expose the misconduct and inappropriate actions” taken by the federal agency where she previously worked. Arrington filed a lawsuit Tuesday demanding the release of these documents in U.S. District Court for the District of Columbia. The suit is separate from a since-settled lawsuit Arrington filed last fall against the federal government. Like the previous lawsuit, the new com…