Top Story With Tom Llamas - June 30 | NBC News NOW

Thousands of flights have been canceled ahead of the July 4th holiday weekend, the U.S. Supreme Court limits the EPA's power to regulate pollution, and the suspect in the murder of an elite cyclist was found in Costa Rica. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews

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