NEW YORK: Edelman CEO Richard Edelman today issued an apology for his agency's role in creating a blog for client Wal-Mart that did not properly disclose its origins or funding.

The blog, walmartingacrossamerica.com, chronicled a couple's journey across the country in an RV while stopping at various Wal-Mart parking lots. Although the blog did not initially bear any clear disclosures outside of an advertisement, the trip was funded by the group Working Families for Wal-Mart [WFWM], a Wal-Mart-backed organization designed to ...