President Obama asks the Labor department to toughen up rules on overtime pay, especially for jobs like store managers and supervisors. We look at why wages haven’t really increased in the last 20 years, and what tools employers use to keep wages where they are. Also: Starbucks has now, in effect, put a tip jar in your smartphone by adding a tipping feature to its app. So many people and businesses are now soliciting tips that know when to tip is more confusing than ever. And we continue to learn new things about the business of fracking. The latest: fracking in North Dakota produces 27 tons a day of radioactive dirty socks – cloth devices used to filter fracking liquids coming out of the ground. And North Dakota doesn’t want them.