All of a sudden everyone is an expert on inflation. Your brother-in-law, your local paper, and even dilettantes at dubious outlets like the Washington Post or The Atlantic feel compelled to explain our current predicament. With the admitted rate of consumer inflation running somewhere around 8 percent, and the real rate much higher, even central bankers can’t hide the reality from us. So the commentariat has to explain to us why this is happening and make sure we blame the mysterious workings of capitalism for our troubles. In other words, economics is back.