how to read this any any other article that's behind the wsj.com paywall: Type the headline ("new tactics in the fight against stolen luggage") into google or the search engine of your choice, then click on the link to the story on wsj.com appearing as top result.
I'm actually amazed at the numbers cited in the article. TSA opening and inspecting 5% of all checked bags? In all my traveling to and within the US since TSA was created, I've only had a bag opened and gone through once (with a note left behind).