announced it was rolling out "scan and go" in 20 locations.

The system requires customers to pick up a portable scanner in the store and use it to scan the barcode on their items before putting them in the shopping cart. The scanner tallies the bill and customers pay at the cashier or use self-checkout.

One year later, Walmart has quietly scaled back the system to only three stores. In the U.S., the retailer abandoned it completely.

With scan and go, customers scan their own items while shopping and pay for them with the aid of a mobile device provided in the store. (Walmart Canada)

Walmart Canada wouldn't detail why the concept didn't catch on except to say that it's currently testing improvements to the technology, including a new scanner interface anddirector-designate of the Brent Scowcroft Center on International Security at the Atlantic Council, discusses whether this could be a future trend.

Richard Painter — S. Walter Richey Professor of Corporate Law at the University on Minnesota

Health and Human Services Secretary Kathleen Sebelius has come under fire for a possible Hatch Act violation. At an event where she speaking in her official capacity, she urged attendees to vote for President Barack Obama’s reelection and Walter Dalton to be the next governor of North Carolina.

The head of the Office of Special Counsel, Carolyn Lerner, notified the President of the transgression but Sebelius is firing back saying the law was not broken because she reclassified the purpose of the trip in light of her remarks. Here to help sort through the situation