As millions remain without power amid more snow and ice, blame and questions mount Arelis Hernández, Ken Hoffman, Griff Witte, Annie Gowen SAN ANTONIO —A second winter storm swept through the southern United States on Wednesday, another blow to a region where at least 18 people have died and millions remain without power, putting them at risk of hypothermia, with the additional challenges of contaminated water and dwindling food supplies. More than 100 million people live in areas of the country under some kind of winter weather warning, the National Weather Service said in an advisory Wednesday, with more bad weather to come.