WASHINGTON -- Thieves took sensitive personal information on 26.5 million U.S. veterans, including Social Security numbers and birth dates, after a Veterans Affairs employee improperly brought the material home, the government said Monday. The information involved mainly those veterans who served and have been discharged since 1975, said VA Secretary Jim Nicholson. Data of veterans discharged before 1975 who submitted claims to the agency may have been included. Nicholson said there was no evidence the thieves had used the data for identity theft, and an investigation was continuing. "It's highly probable that they do not know what they have," he...