President Trump promised an economic golden age when he returned to office last year. Instead, voters are in their crankiest mood in years about their financial outlook — and the pessimism is spreading even to Republicans. Why it matters: The growing GOP gloom could hardly come at a worse time for Trump and the party — less than six months out from a midterm election that's likely to turn on the economy. The big picture: Trump's approval rating has been dropping for months, but the University