Summertime in Chicago includes numerous outdoor activities: trips to the beach, music festivals, street fairs and cookouts. For the 21-and-over population, these activities often involve the consumption of cold beer, chilled wine and cocktails. With so many outdoor events that involve alcohol in the summer, public drinking may appear to be standard fare in Chicago. There is actually a law that prohibits such conduct, but the trouble with the drinking in public ways law is that it is difficult to know when and how it …