A key federal inflation measure released Thursday shows that US prices jumped to a three-year high last month as President Donald Trump's illegal Iran war and tariffs continued to push up consumer costs at gas pumps and grocery stores across the country. The personal consumption expenditures (PCE) index , closely watched by the Federal Reserve , rose at an annualized clip of 3.8% in April, the fastest pace since May 2023. Even when food and energy prices were stripped out of the measurement, the index rose 3.3% last month compared to a year ago—the highest level since November 2023. "Today’s numbers tell the story: Families are paying more for gas, food, and housing and utilities," said Sen. Elizabeth Warren (D-Mass.).…