(Bloomberg) -- Federal Reserve officials last month affirmed their resolve to bring down inflation and, in an unusually blunt warning to investors, cautioned against underestimating their will to keep interest rates high for some time. Most Read from BloombergShopify Tells Employees to Just Say No to MeetingsChina’s Foreign Minister Says ‘Deeply Impressed’ With AmericansBattered by Covid, China Hits Pause on Giant Chip Spending Aimed at Rivaling USTrump Lit the Fire That’s Burning Down McCarthy’