Thus their main required talents are those of an actor. Successful US presidents are usually actors who believe in their lines, just as actors on stage or in movies. Or supporting roles in the case of VPs. The movie that is about to be made in the US is called 'Hopefully fair'. Obama and Edwards might play well in that, if the producers at Beltway Blockbusters will cast them. They are not fond of risk. You can't be me, I'm taken
