Emma Nelson | Star Tribune (TNS) Inflation is cooling after a hot start to 2024, but it’s still higher than policymakers would like. One culprit: The cost of auto insurance. Consumer Price Index data released Wednesday showed U.S. inflation rose 3.3% year-over-year in May compared to a 3.4% bump in April. While some price increases that consumers feel most — food, gas, utilities — held flat or dropped month-over-month, other necessities, includi…