AYMAN AL-WARFALI THE opposing factions of Libya's divided parliament met in a frontline city on Monday for the first time after years of war and chaos, to debate a proposed unity government to oversee national elections this year under an international peace plan. More than 130 parliament members have travelled for the session to Sirte, a city battered by repeated battles since the 2011 NATO-backed rising against Muammar Gaddafi that left Libya with no strong central government for a decade. The city is now held by Khalifa Haftar's eastern-based Libyan National Army (LNA), which retreated there last year after failing…