US Airways has laid off thousands of employees and eliminated hundreds of routes as it slashes costs and prepares to emerge from bankruptcy. But it was the jobs of two women that caught some special senatorial attention. THE TWO employees worked for the airline’s Executive Services, which zips important travelers (including some lawmakers) through Reagan National Airport, minimizing the hassles faced by other travelers and providing a secluded waiting room, away from the masses — and from business travelers, for that matter. That service was canceled Oct. 29, but it was reinstated almost two weeks later, after a...