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Good morning, Chicago.

COVID-19 cases continue to rise across Illinois as the state prepares for another indoor mask mandate and more mandatory vaccinations. On Friday, there were the most daily cases recorded since January, with officials reporting 4,942 new cases. However, it’s not all entirely bad news: though the daily cases continue to grow, the pace has slowed down.

Meanwhile, Chicago Public Schools students are returning to classrooms today — for some of them for the first time since March 2020. Here are answers to your questions about fall in-person learning.

And, in Bears news, after winning their final preseason game of 2021 with rookie QB Justin Fields starting, attention turns to the roster. Cuts from 80 players to 53 are due by Tuesday at 3 p.m. The Tribune’s Brad Biggs makes his roster projections. Want to get his 10 thoughts first? Sign up here

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Here are the top stories you need to know to start your day.

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Two people wear masks while walking in the Near North neighborhood on Aug. 22, 2021, in Chicago.
Two people wear masks while walking in the Near North neighborhood on Aug. 22, 2021, in Chicago.

Gov. Pritzker basing stronger mandates on science but pandemic politics also comes into play

As much as Democratic Gov. J.B. Pritzker has said he has based his COVID-19 response on science, pandemic politics also comes into play.

His recent vaccine and mask orders were a direct shot primarily at Republican conservatives in pockets of the suburbs and throughout rural Downstate who oppose vaccinations and masking just as they sought to fight his early mitigation efforts, including stay-at-home orders and closed business and entertainment venues, as a restriction of their personal freedom.

COVID-19 cases continue climbing as Illinois prepares for indoor masking and more vaccine mandates

Vehicles drive along the Dan Ryan Expressway near West 31st Street on Aug. 25, 2021, in Chicago.
Vehicles drive along the Dan Ryan Expressway near West 31st Street on Aug. 25, 2021, in Chicago.

Expressway shootings on rise in Chicago area. License plate cameras being installed to help, but ‘more … needs to happen,’ advocate cautions.

A spate of shootings shines a fresh and brutal light on the perennial problem of violence on Chicago’s expressways, an extension of the gun violence that has ravaged the city’s disinvested South and West sides for decades. And shootings on area expressways have risen each year since 2018, spurring Chicagoans to clamor for solutions.

The ArcelorMittal steel mill (now owned by Cleveland-Cliffs) and permanently closed Bailly Generating plant, left, in Burns Harbor is seen from Indiana Dunes National Park in 2019.
The ArcelorMittal steel mill (now owned by Cleveland-Cliffs) and permanently closed Bailly Generating plant, left, in Burns Harbor is seen from Indiana Dunes National Park in 2019.

Environmental racism, unregulated chemicals, staffing shortages among the many challenges facing whomever Biden picks to lead the EPA in the Midwest

More toxic lead pipes than any other region of the country. An unmatched legacy of abandoned, highly polluted industrial sites. Dozens of corporations chronically in trouble for poisoning air and water.

All of these maladies face whomever President Joe Biden picks to lead the U.S. Environmental Protection Agency office that oversees Illinois, five other Midwestern states and the Great Lakes.

The view looking south on State Street from Lake Street shows an unpaved street with pedestrian and horse-drawn traffic in Chicago in 1860. The city was booming with wood constructed homes the norm outside the downtown district.
The view looking south on State Street from Lake Street shows an unpaved street with pedestrian and horse-drawn traffic in Chicago in 1860. The city was booming with wood constructed homes the norm outside the downtown district.

Flashback: 600 fires sprang up in Chicago the year before the Great Fire of 1871. On the night before, came this ‘terrible’ prediction.

In 1870 there were 600 fires in Chicago, most started by lamps overturning in barns. During the first week of October the next year more than 30 fires sprang up, the last one on the night of the seventh, wiping out four blocks and causing $750,000 in damages (nearly $1.7 million today). It was on that same night that eccentric businessman spoke to a crowd in Farwell Hall at Clark and Madison streets, and prophesied that a “terrible calamity” was impending for the city.

Chef's Board at Lardon, 2200 N. California Ave. on Aug. 18, 2021, in Chicago.
Chef’s Board at Lardon, 2200 N. California Ave. on Aug. 18, 2021, in Chicago.

Nick Kindelsperger review: Lardon has the expertly crafted charcuterie Chicago deserves

Lardon not only knows how to make salumi and charcuterie, but cares deeply about serving them, Tribune food critic Nick Kindelsperger writes. Forget about cold, dried-out slices of salami pulled straight from the fridge. Each selection arrives at your table at the optimal temperature, so the sopressata originale tastes so luscious, it seems to dissolve in your mouth. Read the full review here.