A leader for one of the Department of Veterans Affairs ' three sub-administrations has been approved by the Senate as the chamber works through a hefty backlog of nominees ahead of a monthlong summer break. In a 54-44 vote Tuesday night, the Senate confirmed Sam Brown, an Army veteran and failed Senate candidate, to be VA under secretary for memorial affairs. The vote was mostly along party lines, except for two Democrats who supported him: Sen. Jacky Rosen, D-Nev., who beat Brown in Nevada's