On Tuesday, I was part of a City University of New York event about economic perceptions, which was briefly disrupted by a protester yelling out that President Biden isn’t helping some of the areas afflicted by Hurricane Helene. The guy’s politics were unclear — he was also yelling something about Israel — but it was an indication that Donald Trump’s latest lie has gone viral.In case you missed it, Trump has been trying to exploit the natural disaster for political gain, claiming he heard that the federal government — Biden — and North Carolina’s Democratic governor are “going out of...