Where no adequate reason exists for a rule or standard and that rule hinders us from doing business on both sides of the border, then that rule needs to be reexamined.
But Ms Pizarro wants the state to go further by giving the disappeared a legal status of their own, as they have across the border in Argentina, where about 30, 000 people were killed or disappeared under military rule between 1976 and 1983.
He has edged to the right on two other areas where he used to be hated by his party's conservatives as a dangerous maverick: on torture (he won't rule out water-boarding) and immigration reform (he says fix the border first, which will take an eternity).
While the Supreme Court has recognized three exceptions to the border search doctrine (which may require a heightened suspicion for more detailed or delayed searches), the general rule is that whatever you carry with you into the U.S. you can expect to be searched and that you have tacitly agreed to such a search.