this weekend on the presidency, former boston globe journalist rtis wilke and thomas on their book the road to camelot. inside jfk's five-year campaign. here's the preview. >> one of the dangers of something like the making of the president, it's one way of looking at a presidential campaign. it's a narrative. he went to milwaukee and he said nixon is a nut job. r he went to, you know, some other epithet with current staff. or he went to new york and this were all these people on broadway and the voice boomed in the canyons of the big buildings and everybody applaudd and went home and then they voted. the narrative. we took the approach heavily influenced in my case by sorenson that a presidential campaign is a series of benchmarks. important decisions about how to face the country. then they play out. and the thing to focus on in that school of thought are these benchmarks. i think that's what's a little unusual about the approach we took and why we viewed the whole five years together. >> watch the entire program sunday at 8:00 p.m. and midnight eastern. this is american history tv n