2. Have someone talk over it
3. Film a landscape
4. Use the same music over and over and over again.
5. Print and show on PBS
That is always an integral part of tendentious, liberal, documentary film-making.
Errol Morris is the ne plus ultra of documentarians when it comes to this technique.
Though he prefers to rely mostly on very weird reenactments and subtly placed digs-through nifty camera work and lighting adjustments-at his chosen targets.