Outside the sunny East Room of the White House, some 200 spouses and parents of military-service members are waiting in line. It's a slow march to the front, but nobody seems to mind: First Lady Michelle Obama and vice-presidential spouse Jill Biden have planned an elegant tea in their honor and are intent on greeting each, one by one. (snip) They whisper tales of pain and loss — "My husband came back from Iraq, then died....I lost my son.... (snip) In return, Obama and Biden offer a hug, a squeeze of the hand, a promise of prayer. And always, a...