Across parts of the south, prolonged power outages are colliding with boil-water advisories, leaving some families without a way to make their water safe to drink. In Mississippi, more than 36,000 homes and businesses have now gone a second week without electricity after a historic winter storm brought heavy snow and ice to the region, damaging power lines and blocking access to some communities. The crisis has forced families to rely on bottled water and gas heaters as freezing temperatures