Governor J.B. Pritzker and Mayor Lori Lightfoot give an update on Chicago's reopening efforts at McCormick Place in Chicago on Tuesday, May 4, 2021. An announcement of auto show's return to McCormick Place was also made. (Jose M. Osorio /Chicago Tribune via AP)

Governor J.B. Pritzker and Mayor Lori Lightfoot talk following a news conference regarding updates on Chicago's reopening efforts at McCormick Place in Chicago on Tuesday, May 4, 2021. (Jose M. Osorio /Chicago Tribune via AP)