Was it better that our ancestors chose to migrate to Canada, or should they have gone to the U.S.' Snow and ice and high taxes? Or unaffordable health care, guns in kindergarten, and great weather? And didn't they have to film the hit movie Chicago in Canada because we had the studios, the gaffers, and the 65 cent dollar? Gould takes a hard look at our measurement systems: how Canadians have welcomed the metric system (except for weights and distances) while the Americans -- along with only Burma and Liberia -- have clung to pounds and miles.