Is there an overt contradiction between 'At least some FAA officials in Boston Center and the New England Region knew that a hijacker on board American 11 had said we have some planes.' and 'American 11 was checked by the FAA and was cleared for landing.'
At least some FAA officials in Boston Center and the New England Region knew that a hijacker on board American 11 had said we have some planes.###American 11 was checked by the FAA and was cleared for landing.