J. Bonnie Newman, the woman poised to become New Hampshire's newest senator, has spent 40 years moving among high-profile jobs in politics, academia and the business world. But even for her colleagues and admirers, the precise contours of Newman's personal politics are unclear. Newman, a 63-year-old Republican, has never run for public office, never cast a legislative vote, never outlined a campaign platform. Colleagues, both Democrats and Republicans, describe her as a nonideological problem-solver - with a wicked sense of humor and a serious golf habit. They praise her work ethic and her ability to bring together people of differing...