Saturday, July 17, 2010 9pmProducer: Al Letson, PRX/NPRListen AgainMilwaukee, Wisconsin, once referred to as "America's Machine Shop", has suffered a similar fate to other rust-belt cities. But despite the decline of some of its industries, passionate, hard-working citizens are changing this manufacturing mecca into a city of ideas. Host Al Letson explores the depth and viability of some of Milwaukee's most surprising community projects, and a people of unwavering resolve.