When top American and European officials gather in Berlin for a one-day summit on Sunday, they will try to persuade Libya’s warring sides — and their main international backers — to reach a cease-fire, respect a U.N. arms embargo and pave the way to a political resolution. The United States and Europe are hoping to regain their credibility and have a greater say in Libya’s future — as their rivals Russia and Turkey extend their influence into North Africa and the Mediterranean Sea. In a sign of Washington’s growing concern, Secretary of State Mike Pompeo will attend Sunday’s summit, making him the most senior U.S. official to attend a high-level meeting on ending the war in Libya. Libya has become the center of one of the world’s most internationalized proxy wars, a contest over lucrative oil and gas resources, territory, ideological and geostrategic ambitions. By aiding the […]