Was Paul listed as the editor or publisher of the newsletter? If so, except for ‘Letters to the Editor’, he’s as responsible for the contents as the writers are.
Here are links to scanned copies, you can decide.
http://www.tnr.com/politics/story.html?id=74978161-f730-43a2-91c3-de262573a129
http://www.tnr.com/politics/story.html?id=54586159-12be-442c-810d-020982d8becb
Published under his name and image.