Trump says Musk could head ‘government efficiency’ force  BBC.comTrump tightens alliance with Musk, advocating broad role in U.S. policymaking  The Washington PostTrump vows to cut business tax rate to 15%, create government efficiency commission led by Elon Musk  Fox NewsTrump Calls for an Efficiency Commission, an Idea Pushed by Elon Musk  The New York TimesTrump Goes Full Revisionist on the Economy  Bloomberg