Donald Trump keeps insisting the US economy has never been in better shape, yet a lot of voters say they feel crushed. The official numbers do back him up to a degree, with GDP holding strong. Inflation is the problem, and it keeps squeezing household budgets across the country. Fuel prices, grocery bills and the cost of borrowing have all been climbing. That gap between upbeat economic talk and what people actually pay at the register explains the sour mood among voters.