If there’s one ironclad rule that pretty much every Hollywood-employed director has to follow, especially those working in the fantasy, urban thriller or action-adventure genres, it’s that you have to grab the ADD crowd before their concentration ebbs and they switch the channel.

Which is why almost every film starts with a grabber scene — some jarring activity that seizes the idiots by the lapels and says “wait, hold on, stick around…we know you’re looking for an excuse to watch something else so here’s a little stimulation for your inner 12 year-old.”

Example: Even The Post, an upmarket film about an epic chapter in 20th Century journalism that was aimed at educated GenX-boomers, started with a combat scene in Vietnam (i.e., RAND corporation egghead Daniel Ellsberg embedded with an infantry unit and carrying an M16) with the enemy engaged and tracer bullets flying every which way.

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