For all the majesty of the White House, the first lady has already infused it with a palpable ease; her presence makes the place feel open and approachable. When we sit down to talk, Michelle Obama seems as relaxed as she did when I first interviewed her and her husband in their Chicago apartment in 2004. "This room has the best light in the house," she tells me as we settle in, shoes off, on a comfortable sofa. "And there's pie here, too.