Surging Sanders, emboldened Trump unnerve Democrats on eve of New Hampshire

For the past year, Democratic voters have been anxious to settle on a savior capable of defeating President Donald Trump. The first week of primary balloting was supposed to speed the winnowing of an outsized field of candidates and showcase Democrats’ readiness to take back the White House in November. The early strength of Vermont Sen. Bernie Sanders, the liberal stalwart who has vowed to upend American healthcare and go after corporations and the wealthy, has some voters worried that Democrats will blow their chance to unseat an unpopular president if the party veers too far to the left.