Amazon announced on Twitter its top 20 nominations in cities' bids for HQ2, its second headquarters, out of the 238 that applied. Chicago proposed 10 different possible locations for HQ2, which include the old post office, Lincoln Yards and the McDonald's campus in Oak Brook. Chicago teamed up with Cook County and the state of Illinois with a $2 billion proposal to become Amazon's newest second home (Chicago Tribune). And spoilsport WBEZ enumerated the reasons we shouldn't be optimistic.