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President-elect Joe Biden recently announced longtime confidant Ron Klain as his White House chief of staff. As the president’s gatekeeper and top assistant, Klain will play a crucial role in managing who has access to Biden.

As Republican presidential front-runner Donald Trump blasts the delegate-selection process, we take a look at how it works on both sides of the aisle.

Cook County Board President Toni Preckwinkle won a victory Wednesday after the county board narrowly signed off on her controversial sales tax hike, but there might be some legal and political risks. We’ll talk with the Civic Federation president Laurence Msall and Nick Kachiroubas, an assistant professor at DePaul University’s School of Public Service.