As the United States pressed Saudi Arabia to end its oil price war with Russia, President Donald Trump gave Saudi leaders an ultimatum. In an April 2 phone call, Trump told Saudi Crown Prince Mohammed bin Salman that unless the Organization of the Petroleum Exporting Countries (OPEC) started cutting oil production, he would be powerless to stop lawmakers from passing legislation to withdraw U.S. troops from the kingdom, four sources familiar with the matter told Reuters. The threat to upend a 75-year strategic alliance, which has not been previously reported, was central to the U.S. pressure campaign that led to a ... (full story)