___________UPDATE__________
Were the issue fair use, as part of a larger post, there is a question in that context of whether a royalty is merited, or is an impediment to a broader level of free speech.
Since it is not offered in that fair use sense, linking only is correct. Beyond that, the opinion here is the entire linked item is its own commentary about capitalism and the use of copyright as a tool; in whatever way you view it.
But as a commentary on mainstream news norms, the cartoon rules.