US consumer prices accelerated in September amid a surge in gasoline costs, dealing another blow to President Donald Trump and his Republican Party ahead of the November 3 midterm elections and putting an interest rate increase later this month back on the radar.The Consumer Price Index rose 0.6% last month after climbing 0.4% in August, the Labor Department's Bureau of Labor Statistics said on Wednesday. In the 12 months through September, the CPI advanced 3.7% after rising 3.4% in August.Eco...