Teresa Heinz Kerry won't model herself on either Hillary Clinton or Nancy Reagan if her husband, presumptive Democratic presidential nominee John Kerry, reaches the White House. Speaking at a Montecito fund-raiser Saturday, Heinz Kerry, 65, said she would "continue to be me." That "me" is a wealthy philanthropist; a former Republican who only recently switched party affiliations; and a champion of women's issues, the environment, the arts and education. "I know Mrs. Reagan," said Heinz Kerry. "I admire her for her particular role at that time, married to who she was and at her time. And I've said before if...