The United States aims to lift many economic sanctions on Libya soon, possibly this week, dramatically easing its embargo to allow U.S. firms to invest there and buy Libyan oil, U.S. officials said on Monday. The shift, which could slip to next week or beyond, would let U.S. companies resume most commercial activities in Libya and reflects Washington’s desire to reward Tripoli for giving up weapons of mass destruction. Libya’s surprise Dec. 19 announcement that it would abandon the pursuit of chemical, biological and nuclear weapons and its Aug. 15 admission of responsibility for the 1988 Lockerbie bombing have ushered in a new era in U.S.-Libyan relations after decades in which Washington treated Tripoli as a pariah. Full Story