right. the house committee on assassinations in 1978 with much more technology to examine these things, basically came to the same conclusion right up to the last minute when they heard an acoustical report that to them sounded like two guns. that report has been discredited. i think the problem is that it s very hard for people to accept that one deranged soul could have such an enormous impact. it s so much easier to believe in a conspiracy because it s rational. my personal view is that s not the case. cokie roberts, thank you very, very much. coming up on morning joe, tom brokaw and dan rather reflect on today s anniversary of jfk s assassination. also we ll talk to dr. brzezinski about iran and later chuck todd joins the discussion. up next the top stories in the political playbook. first here s bill karins with a