Wow, you guys haven't seen anything until you attempt to get even a U.S. visa in Brazil.
Spend 5 hours lined up outside the US Chamber of Commerce building to obtain a piece of paper that will tell you the date you can line up at the consulate! Thats right...you must stand in one 5 hour line before you can stand in another! Fortunetly I was not selected to be interviewed...otherwise I would have been there all afternoon as well.