How better PR can hang the "bullseye" on the competition.

We've documented the ins and outs of Wal-Mart's shift in public relations strategy.
(That is, a shift from nothing to something.)

Since PR and marketing tend to be bigger losers when the economy and budgets tighten, we now have a classic laboratory case for just how much 'media savvy' is truly worth.

MSN Money asks the question, Can Wal-Mart's PR campaign save its stock?

Also -- with Wal-Mart now answering the challenge of its critics, will some of the heat transfer to other retailers?

CNN/Money looks at what could be the end of the free ride for Target.