Nobel laureate Paul Krugman asserts that President Donald Trump's recent announcement of a 10% cap on credit card interest rates is a legally powerless “charade” driven by political considerations. Governing By ‘Performance’ In a new analysis on Substack, Krugman dismisses the President’s declaration as purely “performative,” noting that a post on Truth Social lacks the legal force to alter financial regulations. “Tweets don't change the law,” Krugman writes, characterizing Trump as a “would-be price con ...