The head of the Defense Security Cooperation Agency on Tuesday downplayed reported delays in the foreign military sales process -- but said the agency is working toward improved speed and transparency. The "FMS system is burdened, but it's not broken," Vice Adm. Joseph Rixey told the House Armed Services oversight and investigations subcommittee. He pointed to more than 1,700 FMS cases worth about $47 billion implemented in fiscal year 2015. Rixey said he expects FY-16 to match that level. "Criticism...