Set the agenda and let them draw the conclusion.
McCombs and Shaw studied undecided voters in Chapel Hill during the 1968 presidential campaign, comparing the issues those voters identified as most important against the issues the news media had covered most heavily. The correlation was very high.
Their formulation has been quoted ever since: the media may not be successful in telling people what to think, but they are stunningly successful in telling their readers what to think about.
The mechanism is salience transfer and priming. What is covered becomes what is available, and what is available becomes the criterion by which subsequent judgments are made. Bargh's work on automatic construct activation supplies the cognitive layer: recently activated concepts guide interpretation without any decision to use them.
This is a more efficient instrument than persuasion because it does not require anyone to be convinced of anything. If the electorate is thinking about crime, the candidate perceived as strong on crime gains, regardless of what anyone believes about crime policy. The persuasive act is selection.
Joe McGinniss's The Selling of the President 1968 is the operational record. Roger Ailes, then a young television producer, built Nixon's campaign around controlled formats: staged panel shows with selected questioners, no press conferences, tight editing, and a total avoidance of unmanaged exposure. The book's central quotation from Ailes — that television is a gimmick and Nixon has to be merchandised through it — was published while the campaign was still in memory.
The operational forms outside politics are the same. Which item is on the meeting agenda. Which metric appears in the dashboard. Which question the survey asks. Which comparison the analysis makes. Each of these determines the terms on which a decision is taken, and none of them is an argument that can be disagreed with.
The boundary is where selection is used to prevent a subject from being considered rather than to prioritize among subjects. Every editor selects, and selection is not a vice; it is the job. What crosses the line is systematic exclusion of the material that would change the conclusion — chapter 62's card stacking — and the reason it is hard to detect is that an absence is not visible in the artifact.
The counter is to construct your own agenda before entering the room, and to ask what is not on the list.
No defense chapter in the outline. A counter written for this guide.