Chicagoans Go to the Polls in a Mayoral Race Between Very Different Democrats

CHICAGO — After rejecting the incumbent mayor, Lori Lightfoot, in the first round of balloting in February, Chicago voters were set to choose on Tuesday between two candidates with starkly different visions for the country’s third-largest city. Paul Vallas, a former public schools executive, has run on a more conservative platform, calling for a larger police force, a crackdown on crime and more charter schools. His opponent, Brandon Johnson, a county commissioner and union organizer, has campaigned as a proud progressive who wants to expand social programs, spend more on neighborhood schools and add new taxes. The runoff election comes…