Nearly a decade after a Department of State laptop containing highly classified information disappeared in an embarrassing security lapse, the agency is still unable to account for all of its portable computers, a government report said Wednesday. The State Department’s inspector general said a review of a sample of 334 laptops belonging to four departmental bureaus found that 27 were missing at the time of the audit and that 172, including nine of 14 classified laptops labeled “secret,” were no