Pacemakers, kitty litter, and other border-crossing perils

Proximity to Mexico has made the Los Angeles Times attuned to big issues-drug smuggling, illegal immigration-along the southern U.S. border. So it’s interesting when the paper turns its attention to Homeland Security Secretary Janet Napolitano’s arguably bizarre doctrine that "if things are being done on the Mexican border, they should also be done on the Canadian border." This story on more stringent Canada-U.S. border security discovers, among other things, that radiation detectors meant to catch bomb-toting terrorists are set off by the pacemakers of American seniors crossing to play bingo in Canada, and by the harmless radioactive traces in truckloads of scented kitty litter.

Los Angeles Times