Warsh had strong words about his commitment to fighting inflation.
Americans are facing price increases on everything from gas to groceries, prompting people to search for new ways to save.
Drivers across the region are paying more at the pump, and even within the same town, prices can vary widely.
President Donald Trump said Americans' financial situation was "not even a little bit" of a motivating factor for him reaching a deal to end the war in Iran.
The jump in prices last month owed in large part to a sharp rise in costs for products impacted by a global oil shock.
Nearly three-quarters say the economy is getting worse.