Is a large North American free trade bloc a laudable project? Should it be supported, or is free trade in this area a curse rather than a blessing?

Should electronic surveillance of American citizens by the US government only be permitted after court approval of a legal warrant? Or should we trust the government to exercise its powers to protect the United States in a time of threat?

Is it possible for a modern government to pursue an active foreign policy with ethics at the centre? Should governments always try to do the moral thing?