CAIRO, July 6 : Egypt's Mohamed Salah has spent much of his international career carrying the expectations of a football-mad nation while enduring World Cup disappointment, Africa Cup of Nations heartbreak and public disputes with the country's FA.Now, whatever happens against Argentina in Tuesday's World Cup last-16 clash, the outgoing Liverpool forward has finally produced an achievement that had long eluded him and Egypt.By captaining the Pharaohs to the knockout stage for the first time, Salah has secured a place in their football history. Before the finals, Egypt had never won a match at the World Cup.The emotion of that breakthrough was evident after Friday's shootout victory over Australia in the round-of-32 clash. Salah was in tears at the final whistle before embracing teammates a