Veteran retracts criticism of Kerry

WASHINGTON -- A week after Senator John F. Kerry heralded his wartime experience by surrounding himself at the Democratic convention with his Vietnam ''Band of Brothers," a separate group of veterans has launched a television ad campaign and a book that questions the basis for some of Kerry's combat medals.

But yesterday, a key figure in the anti-Kerry campaign, Kerry's former commanding officer, backed off one of the key contentions. Lieutenant Commander George Elliott said in an interview that he had made a ''terrible mistake" in signing an affidavit that suggests Kerry did not deserve the Silver Star -- one of the main allegations in the book. The affidavit was given to The Boston Globe by the anti-Kerry group to justify assertions in their ad and book.