That's not how I read it. The "and" is attaching a caveat that the (link|headline|content) has been shown to someone from California; it's restricting the scop

That's not how I read it. The "and" is attaching a caveat that the (link|headline|content) has been shown to someone from California; it's restricting the scope of the law to California. In other words, they type of content is collected using "or", and the scope restriction is the "and".