U.S. Rep. Mike Quigley on the impeachment hearings. An elite college program behind prison bars. A local scientist on the origins of the universe. And a local artist and his love of leather.

• Candidates Eyeing 2020 Ballot in Illinois Begin Filing Paperwork
• Democrats Eye Impeachment Articles, Despite Some No-Show Witnesses
• Crain’s Headlines: Charles Schwab Buying TD Ameritrade for $26B
• Local Cosmologist Explores the Very First Moments of Creation
• Delightful Designs of Chicago and the Holidays by Artist David Lee Csicsko
• New PBS Documentary ‘College Behind Bars’ Explores Elite Education Program
• Passion for Design Leads to Career in Handmade Leather Goods