In raging against companies raising prices, Trump is just like Biden

Open this photo in gallery: U.S. President Donald Trump with his predecessor, Joe Biden.SAUL LOEB/Reuters Gus Carlson is a U.S.-based columnist for The Globe and Mail. Popular culture is littered with references to the gullibility of the average consumer, from the apocryphal declaration that there's a sucker born every minute to the infamous movie line "What the American public doesn't know is what makes them the American public." To be sure, U.S. companies have grown rich by finding ways to sell people things they don't need at prices they can't afford. And they will look for every excuse to improve…