Headline inflation jumped last month but the Fed remains on course to leave interest rates unchanged. Higher gas prices caused headline inflation to pick up sharply last month, the August Consumer Price Index (CPI) showed Wednesday, but a moderating pace of underlying inflation should keep the Federal Reserve on track to leave interest rates unchanged at the next Fed Meeting, experts say.Prices rose 0.6% in August after increasing just 0.2% the prior month, the Bureau of Labor Statistics said We