Live: Tracking Tropical Storms Laura, Marco | NBC News
Watch live satellite tracking and forecasting of Tropical Storms Laura and Marco. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News is a leading source of global news and information. Here you will find clips from NBC Nightly News, Meet The Press, and original digital>>>