michael chertoff is the former secretary of homeland security.ofounder and executive chairman of the chertoff group, a global risk management advisory firm which advises clients on technology and cyber security. he joins us from the houston bureau. thank you for your time today. >> good to be on. >> this week you wrote in "usa today," "how privacy expectations and social practice have changed but the law has not." how has the electronic and medications privacy act outlived its usefulness and what are you hearing from your clients at tech companies? >> this act was written decades ago at a time when there was not a widespread use of e-mail and very limited storage capacity. the rule that the congress passed at that time said, if you are looking for e-mail that was 180 days or less, you needed to get a warned, like you would need to listen to a phone conversation. but if the e-mail was older than 180 days, it would be like a piece of paper you can subpoena. that is a much lower level of requirement in terms of what law enforcement has to show. what