know what it is that went wrong at those farms and when they knew that it happened. now, officially, they have been invited to testify. not necessarily subpoenaed to testify. but the congress seems to be very interested in finding out more about this and more about food safety overall. jon? jon: all right. steve brown in chicago. thanks. another recall to tell you about. a unit of johnson & johnson recalling two hip replacement implants because they are failing in a number of patients. the company says it s recalling the asr-xl. a total hip replacement system. and the asr hip resurfacing system a partial replacement. the company reports about 12 to 13% of patients needed a second hip replacement after these ars-devices failed. and it says patients were the recalled product should visit their surges surgeons for evaluation. toyota recalling more than a million cars over engine stalling problems. recall effect corolla and matrix