The Defense Department's spending on Canadian-made combat vehicles and other purchases from foreign entities dropped by $4 billion in fiscal year 2011 even as overall Pentagon procurement grew by double that amount, according to DOD reports issued this year and last. In FY-11, the department spent about $374 billion on procurement -- of which $24 billion (6.4 percent) was for items and services bought from foreign entities, according to the latest annual report on the matter from the Pentagon's acquisition...