Well, this sure is a different kind of deal. Instead of paying you a bonus to join, New York-based American Express will give you a $300 American Express prepaid card if you agree to say goodbye. American Express says that it is making this "deal" so that customers can "simplify" their finances. Sure. The offer, which isn't available to everyone, requires a 14-digit RSVP code. Customers are receiving this offer via U.S. Postal and email. Let's get something straight here. If you receive this offer, American Express is telling you something: please leave. Note also that in order to get...