There is still incentive for WSJ to allow Google to index, they probably just will redirect you to sign up when you click through. Perhaps they'd let Google just index the preview text to prevent using the cache
Doesn't Google punish sites that show different content to Googlebot than they do to a user?
It seems like they should otherwise it would seriously hurt their search quality (unless they did something like personalized search ranking for users who they could determine were signed into those particular walled off sites).
Yes, that's "cloaking".
The old experts exchange rule where they put all the content at the bottom :/
"Perhaps they'd let Google just index the preview text" would take care of that.