I did this because I assume not everyone has ClarisWorks on their machine. I was really surprised to find not one option. I guess I kept looking because I couldn't understand why there was nothing there. The editor, when I finally asked him, said it was probably because most word processing programs currently in use have the ability to create newsletters. Incidentally, while I was on my scavenger hunt I did find a really cool site which is referenced at the end of this column.
Earlier version are probably very similar.
Here is how. Open the program and click on the File pull-down menu, move the cursor to new and release. A large options box will open, offering you the chance to choose what kind of document you want to create. On the right will be two choices. One says create a document and the other says use assistant or stationary.