![PBS NewsHour show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/914/small/pbs-newshour-podcast-pbs.jpg)
Summary: A brutally cold winter has covered the Great Lakes with more ice than they have seen since 1979. Special correspondent Elizabeth Bracket of WTTW reports on the struggle to keep shipping lanes open to Chicago’s ice-clogged harbor to Lake Michigan.