Power outages linger for millions as another icy storm looms

People wait in line to fill propane tanks Wednesday in Houston. Customers waited over an hour in the freezing rain to fill their tanks. (AP Photo/David J. Phillip)

AUSTIN, Texas — Millions of Americans endured another frigid day without electricity or heat in the aftermath of a deadly winter storm as utility crews raced to restore power before another blast of snow and ice sowed more chaos in places least equipped to deal with it.