Oil prices have been propped up for a third time this year, by yet another short-term incident. We’ve had Texas’ big freeze, we’ve had the Gulf of Suez blockage, and now a cyberattack on US pipelines to counteract the downward pressure from faltering demand. It all started last Friday, with the ransomware group DarkSide targeting the Colonial Pipeline with a malware attack. The pipeline – one of the largest in the country – carries nearly three million barrels of gasoline and jet fuel every day from production hubs in Texas 5,500 miles up the East Coast to New York, but was forced to shut down entirely and only reopened late on Wednesday. Colonial said it initiated a restart at roughly…