Chicago Voters to Pick New Mayor as Crime Dominates Tight Race

CHICAGO — Residents of the nation’s third-largest city are heading to the polls on what is expected to be a wet, gloomy Tuesday to decide a contentious mayoral race that has focused heavily on public safety. Polls show a tight race with a slight lead for Paul Vallas, a moderate former head of public schools in Chicago and other big cities, who is running against fellow Democrat Brandon Johnson, a progressive Cook County commissioner and organizer for the Chicago Teachers Union. Mr. Vallas was the top vote-getter in the first round of voting and Mr. Johnson came in second. Mayor…