assistant secretary alan bersin testified on visa overstays, a significant issue, which we needed, because we do not really have a biometric exit system in this country for, for instance, and governance. people come in on a visa, but we do not always know did they leave, and did they leave on time? we need to be able to exchange and do more of that information. if so, i think you will see greater exchanges of information. luiza: so, basically, if you are an american leave in the united states, driving into canada, canada will then turn around and give that information back to the american government to say this person has left the country? also lessikowske: is about u.s. citizens, the more about foreign nationals. luiza: but it will cover u.s. citizens and canadians -- a canadian coming into the united states will also now have a record of coming in and out. comm. kerlikowske: so, what we have been doing the last couple of years between canada and the united states, as the commissioner suggested, third -country nationals, neither canadians, when you cross the bridge into detroit or winter,