ERIE, Pennsylvania—Two weeks ago, Nobel Prize-winning economist Paul Krugman told CNN anchor Christiane Amanpour there is a peculiar disconnect between how the economy is doing and how the public is feeling about it. Ms. Amanpour pressed him on why people weren’t understanding that they are living in a “sunny economy.” He had asserted that “the economy’s rebound has been surreally good,” yet people keep saying it is terrible. [snip] U.S. inflation rates have been historically high during President Biden’s term, prompting central bankers to raise interest rates in a bid to tame prices. President Biden’s pitch saying “Bidenomics is about...