Dr. Annie Andrews, a Democrat, is hoping to defeat Senator Darline Graham. Even some of her most ardent supporters sense that her bid is a long shot.

An informal network of hackers and researchers is exposing new details about misbehaving AI that meddled with corporate and government websites.

Veterans under 30 will have to sign forms before being given antidepressants. Medical groups fear the moves may stigmatize mental health treatment.

The organization, founded in 2006 to back Democratic veterans opposing the Iraq war, is pouring huge sums into this year’s elections amid intense voter antipathy for another conflict in the Middle Eas...