March 26, 2012 8:46 am Pinterests Pitfall Legal experts say copyright laws could be a major problem for the popular site. NBC’s Chris Clackum reports. Local 1:40 Democrats say Big Oil misled public for decades about climate change 1:59 Smart devices make accidental 911 calls, emergency communications centers say 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