MICHELLE NICHOLS  THE United Nations Security Council gave the green light on Friday for the deployment of 60 U.N. ceasefire monitors to Libya and called on the country's new unity government to prepare for free, fair and inclusive elections on December 24. A ceasefire in Libya has held since the autumn, but the main road across the front lines from Sirte to Misrata remains closed. The Security Council unanimously approved Secretary-General Antonio Guterres' proposal for the deployment of the monitors. "The monitors would be deployed to Sirte once all the requirements for a permanent United Nations presence have been met,…