Inflation worsened last month to 3.7% in sign that prices remain elevated as midterm elections near

Read MoreWASHINGTON (AP) — U.S. inflation accelerated last month as gas, clothes, and air fares got more expensive, evidence that rising prices remain an economic challenge just a few weeks before the midterm elections.The consumer price index rose 3.7% in September compared with a year ago, the Labor Department said Wednesday, up from 3.4% in August.