April 3, 2013 8:58 am Auto Sales Booming Thanks in part to low interest rates and an improving economy, new car and truck sales recently hit their highest level in almost six years: nearly 1.5 million vehicles were sold last month. NBC’s Chris Clackum reports. US & World Videos 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis