This is not true. There is no single "CPI": the BLS actually calculates multiple indices. "Core CPI" excludes food and energy, but other indices include them. S

This is not true. There is no single "CPI": the BLS actually calculates multiple indices. "Core CPI" excludes food and energy, but other indices include them. Some reporting organizations might use "Core CPI" when reporting inflation and not mention this, but that is their fault, not the fault of the index.