TORONTO - The University of Toronto has just played host to an important conference, entitled "The Politics of Obesity," at which scholars from various academic disciplines examined the claim that North America is facing a health crisis because of increasing weight. The consensus was that we are not: a conclusion that will only surprise those who rely on diet doctors, rather than social scientists, for information on the topic. America loves to export health hysteria, as illustrated by the comments of U.S. drug czar John Walters, who is upset by signs that Canada is implementing a rational policy in regard...