The Path of Polar Vortex

Millions are bracing for one of the most dangerous Arctic blasts that's sweeping across the mid-section of the United States. Jennifer Zabasajja speaks to Bloomberg's Brian Sullivan on why some governors even declared states of emergency in preparation. FOLLOW UP Brian's latest: Chicago Faces Colder-Than-Arctic Blast Nearing All-Time Record You can follow Brian at@WeatherSullivan. ---- TicToc is a daily news podcast hosted by David Meyers (@davidfmeyers), produced at Bloomberg Worldwide HQ in New York City. You can follow up with us and watch our reporting @tictoc. If you like it, be sure to rate us on iTunes, and tell your friends!