Investigators in the deadly Nashville elementary school shooting revealed that the shooter planned the attack for months and studied similar tragedies. NBC’s Valerie Castro reports on how thousands of students walked out of class to call for stricter gun laws as Tennessee lawmakers try and step up for school security. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC …

The NHL Playoffs RD 1: Lightning V Maple Leafs Home Game #4 (if necessary) presale code has been published. For a short time during this presale YOU WILL have the opportunity to acquire show tickets earlier than their public sale. What an awesome experience awaits you, your friends who might like to go with you or those special someones in …

Glad to report the presale code for a new NHL Playoffs RD 1: Lightning V Maple Leafs Home Game #2 presale is available!! Members with a working presale information will have the chance to purchase sweet seats before their public sale. If you don’t order your tickets to NHL Playoffs RD 1: Lightning V Maple Leafs Home Game #2’s performance …