imovie library & events - how to shrink the files
I am trying to make sure that imovie 10 is not unnessarily taking up disk space. Previously, imovie 9 was pretty simple and did not create these imovie theater and library files, and I knew where to delete the events files that were copied into imove for editing. In imovie 10 however, I have not been able to find any files lingering in the events folder even though it looks as though (given the processing clock displayed) importing files into imovie 10 does involve copying without asking the user to chose like in imovie 9.
Question 1: does imovie 10 store the events files somewhere else and need to be deleted to recover disk space?
Question 2: there is this huge 14GB+ "imovie library.imovielibrary" file sitting in my movies folder. Is there a way get rid of it or shrink it? All the files that I "share" (ie output) from imovie are stored elsewhere within my movies folder (and then backed up). I really can use any disk space I can free up from imovie. I have already deleted the theater files that serve no useful purpose to me.
Thanks a lot.
MacBook Pro, OS X Mavericks (10.9)