Where agreement to sell administration of city’s parking meters was subject to state-action immunity doctrine because it was authorized under state law and the city retained regulatory power.The 7th U.S. Circuit Court of Appeals affirmed a decision by Judge Matthew F. Kennelly, Northern District of Illinois.Desperate to find untapped sources of funds during the recession of 2008, the City of Chicago realized it would need to think outside the box. The city faced a $150 million shortfall in revenue and it did not want to …