Now Playing: 10-03-12 Marketplace

Ahead of tonight's presidential debate, we look at the possibilities of economic growth and whether GOP candidate Mitt Romney will discuss his $17,000 tax deduction plan in more detail. Meanwhile in China, workers are moving closer to home because of an improved economy. And stories on who owns the M-22 highway sign in Michigan, Lenovo's new North Carolina factory, getting paid for tweeting while shopping, and teachers share their Plan B.