TIKRIT, Iraq (Reuters) - A peace activist accused the U.S. military on Friday of depriving her of the chance to visit her soldier daughter, telling her that the truck driver was on a mission. But Lieutenant Colonel William MacDonald, spokesman for the U.S. Fourth Infantry Division in Tikrit, said he was trying to organize a meeting for Saturday. Anabel Valencia said she had informed U.S. military officials that she would be at the gates of the base at noon to see 24-year-old Giselle. She arrived only to discover that her daughter had been sent on a mission to Baghdad. "I...