The Weather Channel unveiled a new logo and marketing campaign Thursday. Using the tag line "Bringing Weather to Life," the network wants to draw more of the viewers it labels “vitalists." Network President Patrick Scott defined them as a cross between viewers who are actively interested in weather and “planners” who use the channel to schedule their lives. Spots focus on families flying kites or business "drones" suddenly having snowball fights. The campaign is part of a long-running effort to reduce the network’s reliance on what executives call “commodity” viewers, i.e. those who stop in to quickly check a forecast...