tripoli/benghazi libya hundred meter office libyan prime minister fayaz al-seraj tripoli guard detention center migrants message visit french delegation minister journalists nobody allow french foreign minister jean-yves le drian go libya thursday revive u.n. talk rival group control west east view stabilize nation turmoil since fall muammar gaddafi 2011. tripoli leg visit show difficult find anyone capable impose authority weak u.n.-backed government depend array arm factions agenda meet seraj impressive office le drian mean visit nearby detention facility see condition african migrants catch try reach europe cnn air video appear show migrants auction slave libyan officials edge guard refuse let french visitors detention camp thick steel door want call say visibly tetchy man describe supervisor detention center nobody allow minister journalists allow french officials play incident say time visit anyway symptomatic seraj government struggle make impact fail fix anything electric power cut collapse currency seraj promise tackle migrant traffic french officials say depend arm group prepare help arm factions vie control tripoli power benghazi hand one man general khalifa haftar whose force drive islamist fighters lot order doubt one chief say european security contractor benghazi haftar self-styled libyan national army make different group struggle time control general hop run libyan presidency next year seek impress french visitor much fanfare possible soldier stand strategic point uniform spotless boot polish contrast part libya arm group informally dress mixture uniform civilian clothe opponents accuse haftar gaddafi-style high-handedness try revive police state something supporters vehemently deny leave office french visit leave le drian review air sea land force military band struggle play la marseillaise haftar aid allow journalists film meet le drian phone appreciate frankness exchange le drian say hour-long discussion quite natural haftar respond loftily haftar attempt position presidential candidate still sporadic fight benghazi despite declare victory july one diplomat recall haftar envious seraj meet u.s. president donald trump washington last month perhaps sense shift libyan balance power know comfortable haftar feel sense time security much stringent last august say french official may feel pressure contrast realities libya french minister 's visit