Citadel's Ken Griffin breaks Sotheby's record with bids for two Civil War-era documents. Crain’s Laura Turbay discusses with host Amy Guth.Plus: An audit reveals Chicago blew through a key budget reserve in 2024, Gov. Pritzker selects former deputy governor Christian Mitchell for running mate as Lt. Gov. Stratton raises $1M in U.S. Senate bid, Shore Capital targets food and beverage deals with $450 million fund and a Chicago investor buys Tribune Tower retail space.