Polar vortex brings the Midwest frigid, dangerous conditions
Clip: 01/29/2019 | 2m 11s
Much of the American Midwest is experiencing a deep freeze that will bring with it the lowest temperatures seen in a generation. Arctic air and icy conditions led schools to close, flights to be canceled and railway officials to set fires on train tracks to prevent them from cracking. Judy Woodruff reports on the polar vortex.
Aired: 01/29/19Video has closed captioning.
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