THE ROBIN REPORT Walmart says it will never charge you a different price based on who you are. An economist says the machinery to do exactly that is already being built. So who's right?

In my new column for The Robin Report, I dig into the fight between Walmart and Lindsay Owens, author of Gouged: The End of a Fair Price who says retailers are quietly building the tools to charge each of us a different price for the same groceries. Walmart CEO John Furner fired back!

READ my column in The Robin Report