washington high-profile conference libya plan mid-february washington postpone organizers say friday cite u.s. president donald trump temporary ban nationals seven muslim-majority countries include libya enter unite state feb. 16 conference title libya-u.s. relations 2017 new vision hope opportunities co-hosted national council u.s.-libya relations list libyan speakers include two former prime minister head national oil corporation noc result executive order ban libyan citizens entrance usa feasible full complement speakers sponsor guests washington d.c. originally plan statement conference organizers say new date conference would announce soon executive order trump come time uncertainty u.s. policy libya remain mire chaos follow nato-backed 2011 uprise long-time leader muammar gaddafi administration recognize role oil industry economic stability recognize importance economic stability political stability rihab el haj member national council u.s.-libya relations tell reuters work visa waivers speakers key sponsor base conversations various institutions involve make decision consensus important event political facilitate conference question time understand humanitarian exceptions priority say unite nations-backed government national accord gna strongly support administration former president barack obama struggle assert authority tripoli beyond factions eastern libya align rival government khalifa haftar influential military commander welcome trump election hop support anti-islamist stance several speakers slat attend conference connect loyal eastern-based factions generally speak department homeland security department state may case-by-case basis national interest issue visa immigration benefit nationals countries visa benefit otherwise block executive order say william cock spokesman state department bureau consular affairs visa record confidential u.s. law unable discuss individual case u.s. conference libya postpone trump travel ban organizers