(CBS) One French and two American journalists were killed after crossing the border with Iraq into Nasariyah, Central Command reported Saturday. No names and affiliations were given. A third American was injured. Centcom in Doha says a total of six journalists have been killed. Two British ITN reporters in Umm Qasr were killed by Iraqis after passing a checkpoint. An apparent car bomb killed an Australian cameraman and at least four other people Saturday at a checkpoint near a camp of a militant group linked to al Qaeda. Also Saturday, ITN television news reported that three members of one of...