Target and Neiman Marcus are the latest retailers to reveal security breaches that put customers’ credit and debit card data at risk. But experts say it’s far more common than we’d like to think. Hundreds of data breaches were publicly disclosed last year alone. Yet the U.S. is far behind European and other nations that use more sophisticated chip-and-pin technology to thwart hackers. This week, U.S. lawmakers called for a congressional inquiry into credit card data theft. And major American retailers and card issuers have plans to adopt more secure technology. But many warn more needs to be done. Diane and a panel of experts talk about how to make credit and debit cards safer.