The federal minimum wage has been $7.25 per hour since 2009, which works out to just about $15,000 per year at 40-hour weeks. Congress is now debating an increase to $15 per hour as part of the next round of economic stimulus, but there is plenty of opposition. Dan and Axios chief financial correspondent Felix Salmon dig into the economics and politics of the federal minimum wage, on which it seems everyone has an opinion.