Philadelphia’s skyline has always been a slow-developing phenomenon, and every new skyscraper seems to create controversy. The latest proposal “for a 1,500-foot office tower called the American Commerce Center has supporters “behaving like teenage girls at the opening of Twilight… They’re so entranced by the record-breaking stature of the proposed skyscraper that they seem not to have noticed that the object of their affection is a fat, hulking copycat.”