Vancouver: Football's power brokers meet in Vancouver on Thursday as FIFA convenes its 76th Congress, a high?stakes gathering less than two months before the biggest World Cup ever opens across Canada, Mexico and the United States. The Iran war, World Cup logistical headaches and the unresolved question of Russia's international ban are set to feature in discussions among roughly 1,600 delegates from more than 200 member associations. Iran's absence is already threatening to overshadow the meeting. Officials from the Iranian football federation (FFIRI) abruptly left Canada after landing in Toronto earlier this week, abandoning their onward trip to Vancouver. Iranian media said FFIRI president Mehdi Taj - a former member of Tehran's Islamic Revolutionary Guard Corps (IRGC) - and two colleagues flew home after being "insulted" by Canadian immigration officers.…