Donald Trump, a person not famend for the size of his consideration span, likes easy formulae. Scott Bessent, his nominee to be treasury secretary, has one: “3-3-3”. He needs to chop America’s federal funds deficit to three% of GDP, carry annual financial development to three% and enhance the nation’s oil and gas output by the equal of 3m barrels per day (b/d) by 2028, up from 30m in 2024.