Editing is really hard - whether you're cutting, re-cutting, re-writing or just trimming. Here's some advice from the pros:

Comedian and author Moon Zappa talks about when to edit. Watch video.

Paul Doucette, drummer of Matchbox 20, has advice on what to do with your 'outs' after you've edited them - whether its music or words. Watch video.

Michael Patrick King, writer/director/executive producer of Sex and the City, tells you how to avoid including things that you'll have to cut later, and encourages you to write before you edit. Plus Beth's 'Couture/Read-to-Wear Theory" of editing. Watch video.

And here's two cents from comedy icon Buck Henry, who has appeared on the Daily Show and Saturday Night Live, co-created Get Smart, and wrote several movies including a little film you may have heard of called The Graduate. Watch video.