I try to put this on all WSJ articles that make the front page. Here is a direct link to this story that will auto-kill the paywall:
https://m.facebook.com/l.php?u=https%3A%2F%2Fwww.wsj.com%2Fa...
If you want a draggable bookmarklet that will bypass the paywall for all WSJ articles, go here:
It would be nice if HN would make a change to their link submission code so that it automatically changes WSJ URLs to use the Facebook redirect workaround, since they are the one major site that disabled the Google workaround. But until then we have to do it this way.