zeke emmanuel with the university of enpen. ty? >>> now to volkswagen which is the target of a criminal probe apparently by the department of justice related to the gaming of emissions tests. we first reported that story friday. the stock, which trades in germany, plummeted more than 20% monday. this after the company didn't contest reports that it rigged diesel cars with software that could fool government emissions testers. the software then turned off the emissions controls in normal driving, improving engine performance but also spewing much more pollution. and in a rare move the automaker said it would halt sales of the affected vehicle. the scandal has volkswagen ceo martin wintercorn preparing for a difficult board meeting later this week. there he'll be asked how volkswagen could have used software that turned on emission controls during testing in the united states and then turned off those controls during normal driving situations. winterkorn apologized sunday because the company had "broken the trust of our customers and