Spiking energy prices, more US tariffs and mushrooming spending on artificial intelligence are reawakening investors' inflation fears. That triple whammy of potentially price-stoking phenomena hitting the global economy all at once has arrived at a sensitive time. Just as central bankers were seeing some relief on the inflation outlook, the situation has swung back again. Erin McLaughlin, Economist at The Conference Board, discusses the latest round of US tariffs and how they are set to impact economic activity and inflation.