Retailers worry chip credit cards could slow holiday shopping

As visions of Black Friday dance in their heads, holiday shoppers using new, more-secure chip credit and debit cards will be learning a new checkout procedure. Though the added security might be welcome, the new cards could mean more frustration and slower checkout lines. "The bricks-and-mortar retailers were already fighting an uphill battle against the e-commerce guys, so the last thing they need are more reasons for customers to be ticked off at them," said Neil Stern, senior partner at Chicago-based retail consulting firm McMillanDoolittle. One Walmart executive said he expects widespread checkout problems and "anarchy" because of confusion...