programming is hard

Never do this please

# Stick this in a model, and enjoy.  Or don't.  Actually don't.  This was 
# written as a crazy experiment all about coulda, not about shoulda.
class ActiveRecord::Base
  def current_user
    ObjectSpace.each_object(ApplicationController) do |found_obj|
      return found_obj.send!(:current_user) if found_obj.respond_to?(:current_user) 
    end
  end
end