"Occupational licensure, including regulation of the professions, dates back to the medieval period. While the guilds that performed this regulatory function have long since vanished, professional regulation continues to this day. For instance, in the United States, 22 percent of American...

"No two nations have exchanged natural resources, produced transborder environmental agreements, or cooperatively altered ecosystems on the same scale as Canada and the United States. Environmental and energy diplomacy have profoundly shaped both countries’ economies, politics, and landscapes...