After more than a year of haggling between Libya's competing governments in Tobruk and Tripoli, the U.N.-backed effort to transform Libya from a divided nation into one country under a unified and credible administration looks to be finally bearing fruit. U.N. envoy Martin Kobler announced Dec. 11 that the country's two governments, the Islamist-dominated General National Congress in the west and the internationally recognized House of Representatives in the east, are ready to sign a power-sharing agreement as early as Dec. 16. There is just one problem: The U.N. deal is not the only one on the table....