In the vaudeville era the test of a new act was: "Will it play in Peoria?" If a variety show prompted frowns and fidgeting in this city in Illinois, it was doomed nationwide. Peoria is a stolid spot, built on such industries as whiskey and tractors. A post-war influx of factory workers, lured by such firms as Caterpillar, maintained its status as Any town, usa. For years all kinds of products were tested there, from disposable nappies to burgers. Market researchers have moved on, chasing more diverse consumers elsewhere. But unflashy, middle-of-the-road Peoria still offers a window onto American politics. Though the country feels increasingly divided along party lines, most Americans are not die-in-a-ditch partisans. Peoria embodies such scepticism. In the 2012 presidential elections the city and surrounding county backed Barack Obama over Mitt Romney by 51% to 47%, perfectly matching the nationwide popular vote. In the Illinois legislature, greater Peoria is represented by two Democrats and two Republicans. In Washington, dc Peoria is served by two members of the House of Representatives. Its wealthier northern suburbs help elect Aaron Schock, a young Republican. Its grittier, more African-American south is served by a Democrat, Cheri Bustos.
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