The U.S. Consumer Price Index (CPI) surged to 3.8% in April, marking its highest level in three years, driven by geopolitical tensions and the expansion of AI infrastructure. Economists warn that this inflationary spike is a systemic cost shock, not merely an energy crisis. Gasoline prices soared 28.4% year-over-year, while fuel prices jumped 54.3%. Food and electricity costs also rose significantly, exacerbating the economic strain. KPMG Chief Economist Diane Swonk highlighted the broad impact on supply chains, noting diesel shortages are inflating costs in agriculture and logistics. The construction of AI data centers is further pressuring chip, helium, and power supplies. As inflation erodes real incomes, analysts suggest the Federal Reserve faces a dilemma: raising interest rates could weaken the job market, while maintaining low rates might prolong inflation. Kevin Warsh, a potential successor to Jerome Powell as Fed chair, is anticipated to navigate this challenging policy landscape.