A group of foreign military attachés representing some of the United States’ closest allies is asking Senate lawmakers to oppose House defense legislation that would strengthen "Buy American" requirements for some of the Pentagon’s largest weapons programs, according to a letter obtained by Inside Defense. Pieter-Henk Schroor, a Dutch defense cooperation attaché who chairs the 25-nation Defense Memorandum of Understanding Attachés Group , or DMAG, sent a letter Aug. 5 to Senate Armed Services Committee Chairman Jim Inhofe (R-OK)...