Oil at $150 will trigger global recession, says boss of financial giant BlackRockSimon Jack,Business editorandNick Edser,Business reporterBlackRock boss: We're going to have years of above $100 oil if Iran remains a threatIf the price of oil hits $150 a barrel it will trigger a global recession, the boss of US financial giant BlackRock has told the BBC.Larry Fink, who leads the world's largest asset manager, said if Iran "remains a threat" and oil prices stay high it will have "profound implicat...