Illinois Supreme Court Justice Thomas Kilbride appears on “Chicago Tonight” via Zoom on Monday, Oct. 19, 2020. (WTTW News)

The makeup of the Illinois Supreme Court is changing, and it comes at a pivotal time. What the evolving bench means for residents.

A Cook County judge ruled Friday that Chicago's plan to change city workers’ pensions was unconstitutional. The city vows to appeal the decision. We look at the ruling, whether any pension reform can be constitutional, what the consequences are to the city's plummeting bond rating, and whether the city will have to raise taxes to cover the pension liability.