>> tv hosts hosts are too important not to have a back up. an android version of a late night personality just made its television debut. the robot clone and the real thing appeared together last week. they were by a human operator like joanne. the hope is they will learn the job through voice and face recognition. in america at least one network has been testing the android. >> we told you last night that they are preparing the signs of a takeover of american airlines. today they got important allies. >> andy, are we all just going to be replaced by robots. that guy was pretty good. >> this was done because you have to express emotion. i am outraged by this. i don't think i have been angrier.