Last November, a few days after the election, thousands of people gathered for a rally in New York to protest Donald Trump. The Guardian reported on the scale of the Nov. 12 rally at the time: More than 10,000 people indicated on Facebook that they would attend a noon march from Union Square to Trump Tower, the future president’s home and corporate headquarters.As marchers mustered at East 17th Street and Broadway, organisers estimated the turnout at 2,000. As the march began to move, however, the true figure seemed closer to the promised 10,000.Chanting “Not my president!”, the crowd set...