Trump Calls for an Efficiency Commission, an Idea Pushed by Elon Musk The New York TimesTrump Proposes 15% Tax Rate for Some Companies and a Role for Elon Musk in Government The Wall Street JournalTrump tightens alliance with Musk, advocating broad role in U.S. policymaking The Washington PostTrump Goes Full Revisionist on the Economy BloombergFormer President Trump Vows to Make Tax Cuts Permanent If Elected C-SPAN