October 19, 2016 4:05 pm Growing PTC PTC CEO Jim Heppelmann talks about the company’s future and explains that growth is in the air. US & World Videos 4:23 Forecast: Dangerously cold wind chills 3:41 People not losing sight of what's important despite travel frustrations after snowstorm 3:33 Forecast: Deep freeze, quiet spell ahead 4:09 Snow causes holiday travel troubles in New England 0:55 MLB legend Rickey Henderson dead at 65