No, it's not a conspiracy theory. The idea of merging Canada, the United States and Mexico into one Union with a common currency is out in the open... well at least the idea of it is. The details are a little secretive. Here's an excellent article by Aaron Dykes from InfoWars.com. Despite the "conspiratorial" angle Info Wars carries, the site (and Alex Jones' show) has some great information about a variety of topics.