The new Iraqi ambassador to the United States has accused US Marines of "intentionally" killing a cousin in the Iraqi town of Haditha last year. Speaking only hours after presenting his credentials to President George W Bush at the White House, Ambassador Samir al-Sumaidaie said his relative was shot dead five months before the killing of 24 civilians in the town in November that is now the subject of a controversial inquiry. The ambassador told how Mohammed al-Sumaidaie, a 21-year-old engineering student, was killed after opening the door of the family house to US Marines on June 25. "I believe...