Watch a tantalizing tease of ‘Dune: Part Three’ as you buy tickets

Normally, we try not to cover teasers less than a minute long– even on news days so sluggish you can practically see a snail trail — because they’re usually teasers for teasers, and that practice is lame. It’s the slow-burn version of the ten-second trailer clip played at the start of a full-length trailer on YouTube, designed to keep you on the video just long enough to count as a view. But most…