Member of group who seized Americans hostages in 1979 now a diplomat . Barry Rosen named as Manhattan 's next ambassador to the United Nations . the United Nations has not responded to his visa application . But the choice of Aboutalebi could complicate President Barack Obama 's efforts to re-engage with Tehran after the election of Rouhani and negotiate a comprehensive agreement to curb Iran 's nuclear program with five other world powers . He 's a veteran diplomat who has served in posts in Obama .
Member of group who seized Americans hostages in 1979 now a diplomat . Barry Rosen named as Manhattan 's next ambassador to the United Nations . the United Nations has not responded to his visa application . He 's a veteran diplomat who has served in posts in Obama .