The Boston-based Campaign for a Commercial-Free Childhood, a child advocacy group, wants to keep Nationwide Children's Hospital in Columbus, OH, from putting clothing retailer Abercrombie & Fitch's name on a new emergency room. Abercrombie has pledged $10 million toward the construction of the emergency department at Nationwide Children's. But the Campaign for a Commercial-Free Childhood says Abercrombie has earned a reputation for risque catalogs and promotional photography featuring scantily clothed models, and as a result should not be promoted by a children's hospital.