Mayoral candidates Lori Lightfoot and Toni Preckwinkle go at it again, this time in front of the Chicago Tribune. Plus: new county assessor Fritz Kaegi and imagining the architecture of the future.

• Mayoral Candidates Preckwinkle, Lightfoot Square off on Aldermanic Prerogative
• Cook County Assessor Fritz Kaegi Pushes for More Reform
• Artists, Architects Reimagine the Possibilities of Design in ‘Dimensions of Citizenship’