By Howard Schneider WASHINGTON (Reuters) -A “hotter-than-expected” September inflation report doesn’t necessarily mean the Federal Reserve needs to raise interest rates higher than officials projected at their most recent policy meeting, St. Louis Fed President James Bullard said on Friday, though it does warrant continued “frontloading” through larger hikes of three-quarters of a percentage point. In a Reuters interview, Bullard said U.S. Consumer Price Index data for September, which was released on Thursday, showed inflation had become “pernicious” and difficult to arrest, and therefore “it…