She is no longer the outspoken, freewheeling quote-machine of the early 2004 presidential campaign, the woman beside Democratic nominee Sen. John F. Kerry who intrigued voters and frazzled political handlers with her tendency to say exactly what she thought on everything from health care policy to botox, from pre-nups to Rick Santorum. These days, Teresa Heinz Kerry seems more guarded around the news media. Since her husband's defeat, she's lowered her profile, tending to her various philanthropies and, perhaps, nursing some wounds -- not just from the election but from some snarky portrayals of her in the press. About her...