Lockheed Martin has postponed a planned decision on its government IT infrastructure services and technical services businesses from the end of this year to the first quarter of next year, according to the contractor's chief financial officer. In July, Lockheed announced it was undertaking an evaluation of the businesses -- worth about $6 billion in annual sales -- for spin-off or sale. At a Dec. 2 conference hosted by Credit Suisse, Bruce Tanner said the company still expects to divest...