united states should try to prevent south vietnam from falling to the communist but who also avoided deploying american combat troops. lbj had a different take on vietnam and it ultimately became the issue that drove him from the white house. how different was the johnson approach from the kennedy approach on policy, bob? >> well, the kennedy approach was to use special forces to put advisers on the ground. and after president johnson took over, he kept on expanding at the behest of the generals, and then there was the gulf of tonkin resolution which has shown to have been based on some misleading information. and of course as you point out, he was forced out of office because of his role in the vietnam war. >> dana, much of the country has spent the past week really reflecting on the kennedy assassination. but the further removed we are from that actual event, do we run the risk of overromant overromanticizing his