Here's an interesting contrast of two potential 2008 presidential candidates. On one hand you have Wal-Mart uber critic John Edwards apologizing for one of his staffers setting foot in the big-box retailer seeking an elusive PlayStation 3 for the Edwards kids.

On the other hand you have Arkansas Governor Mike Huckabee getting grilled by reporters over why the gift registry set up in his name - which is itself causing a bit of controversy - doesn't inlcude Wal-Mart:

The registries were at Dillard's and Target, a competitor to Arkansas' own Wal-Mart. Asked why there was no registry at Wal-Mart, Huckabee said he didn't know.

"We do most of our shopping at Wal-Mart. I've got two Wal-Mart cards in my pocket right now," he said. "I've always said if Wal-Mart doesn't have it, you don't need it."

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