Google has an agreement with the Wall Street Journal to allow people who get referred to their site using Google news service to read the full password protected articles on the WSJ.
Steps to read the Wall Street Journal for free
1) Copy the headline of the password protected Wall Street Journal article you want to read.
2) Visit http://news.google.com and paste the headline in the search box.
3) Clink on the link leading to the Wall Street Journal article, you will now be able to read it as you will have been referred by Google News. Note that there is a limit on the number of WSJ articles you can read for free everyday day using Google News.
Tip: If you get too many results from Google News, make sure to type “+site:wsj.com” after your search words, this will make sure that only results belonging to the Wall Street Journal website are shown.
UPDATE March 2012: The WSJ.com is now limiting the free articles through Google news, it won’t work all the time.