Polar vortex, Arctic express - you can call the intense cold blanketing the United States anything you want…but do take it seriously. Even the president is speaking out about the once in a generation frigid weather enveloping America. And it was a history making speech in Washington…Ukraine's President Volodymyr Zelenskyy addressing a joint session of Congress, thanking America for its support and asking for more help. Les Trent with a look at the extraordinary security that made the trip possible. Plus, this weekend will make six weeks since those four University of Idaho college students were brutally murdered. It also marks the 26th anniversary of the unsolved murder of little JonBenet Ramsey. Her father fears history will repeat if they don’t get experienced detectives on the case. And ‘tis the season to be shopping, and sometimes that means you need to deal with customer service. However, as Ann Mercogliano reports…dealing with customer service and getting an actual human being aren't always the same thing.