As President Donald Trump’s campaign laid the ground for contesting election results with lawsuits filed Wednesday in Georgia, Michigan and Pennsylvania, about 1,000 people marched through downtown Chicago behind a 20-foot banner emblazoned with the American flag and a simple message: “Count every vote.” “We want to know what the result of the election is,” said Erica Bland-Durosinmi, executive vice president of Service Employees International Union Healthcare Illinois and Indiana, one of two...