(WTTW News)

President Donald Trump and Democratic presidential nominee Joe Biden visit Kenosha after the police shooting of Jacob Blake. CPS students head back to school. And the CDC tells states to prepare for a coronavirus vaccine. 

Susana Mendoza is in the race for mayor. Outrage and confusion surround the fatal police shooting of a security guard. Chicago gets the big snub from Amazon. And the Bears get ready for their prime time matchup against Minnesota.

We break down the rules Illinois has outlined for medical marijuana, and some additional restrictions Mayor Rahm Emanuel and Ald. Ed Burke would like to impose in Chicago.