SHEPHERDSTOWN, W.Va. - The phones rang early in the morning and late in the evening. They rang, always, in the middle of the night. They were ringing now, as Mary Hendricks sank into a swivel chair and settled in beside her co-workers for another day of answering them. The calls came from veterans who were about to be evicted. Veterans who couldn't get hold of their doctors. Veterans who needed to talk about what they saw in Afghanistan or Iraq or Vietnam. Mary pressed a button. Her headset clicked on. "This is the White House VA hotline," she said, introducing...