to come to a deal with saudi arabia, president trump defending it by gradually increasing the number of jobs that he claims the deal creates. >> it's 450,000 jobs. it's the best equipment in the world. who are we hurting? it's 500,000 jobs. i would prefer we don't use as retribution, which means 600,000 jobs. >> reporter: the actual number according to a white house statement, potentially tens of thousands. >> reporter: now jake cnn has repeatedly asked the white house for details about where president trump is getting these numbers. there's only been one white house press briefing in the month of september. >> let's talk about this with our experts and i want to talk about the specific falsehoods in that. let's start with the general approach here. will the strategy work?