President Trump in May pulled the U.S. out of a 2015 international agreement to curb Iran’s nuclear efforts, triggering the reimposition of economic sanctions and raising the prospect of a reduction of more than 1 million barrels a day of Iranian crude oil exports by November. U.S. national security adviser John Bolton said earlier this week that the Trump administration would like to avoid giving waivers to the sanctions. Oil prices received a boost from the weakening dollar. Photo: Danny Lawson/Zuma Press The possibility of supply disruptions in Iran and lower production in countries like Venezuela and Libya had pushed oil prices to multiyear highs earlier this year before the Organization of the Petroleum Exporting Countries and partner producers such as Russia decided to begin ramping up crude output. U.S. prices are still 7.3% below their June peak, but some analysts think signs that higher production from Saudi Arabia […]