Filed under: More Polar Vortex Closures; Interactive Pedway Map; More! By AJ LaTrace Jan 28, 2014, 9:07am CST · Complete list of schools, businesses and organizations closed today [ECC]· Interactive pedway map shows where to eat, drink and shop without going outside [DNAinfo]· Graphic explains how a polar vortex works [Tribune]· Naked guy trashes couples' home in Palmer Square[DNAinfo]