‘Steel City’ plays host to wealthy nations

You could say it’s like the 1980s movie “Flashdance”: It’s set in Pittsburgh and the main character (the city) has shed its blue-collar threads for something more glamorous. This week “The Steel City” plays host to world leaders as the site of the G-20 economic summit. Pittsburgh Post-Gazette columnist Tony Norman has lived through the city’s ups and downs and responds as the world comes to his town.