Fast food workers are back on the streets in 100 cities today. Walmart saw strikes on Black Friday. Yesterday, in a speech about the economy, President Obama said "the defining challenge of our time" is the decline of upward mobility, and called for a hike in the minimum wage. It's all about income inequality, a growing trend since before Great Recession. Instead of upward mobility into the Middle Class, many newly created jobs don't give workers enough to live on — even when they're full-time. We look at reality in some American workplaces and at the politics of restoring the American Dream.