A lawsuit from the banking industry argues an Illinois credit card swipe fee law interferes with a federal law granting banks leeway on the charges they issue. Crain’s finance reporter Mark Weinraub discusses the case with host Amy Guth.

Plus: Choose Chicago eyes extra downtown hotel charge to boost budget, Tempus buying genetics lab company for $600 million, organizers say out-of-towners flocked to Lolla and boosted Chicago's gains this year and court documents claim Motorola was hacked by Chinese military.

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