edit

Your speech is too long. You need to edit it.

We shot an hour-long interview then edited it down to 45 minutes.

He edits the Chronicle.

Wikipedia is an interactive encyclopedia which allows anybody to edit and improve articles.

Today, the technology to edit genomes is limited in the number of changes that can be made at once, which is probably one reason why the Harvard team focused on only 14 genes.

When the director approached Ms. Adair about his idea for “Boyhood,” shooting footage each of those 12 years, she immediately agreed to take part. The decision was made to edit the film progressively, cutting the scenes from each year after they were completed.

A good rule of thumb is to edit a scene before you think, "Gosh, somebody should edit this scene."

The junior can offer to do the voxes, gaining experience and sparing the senior journalist the trouble. Always remember to think how the clips will edit together.