What does 'Homeland Security' even mean?

According to the Congressional Research Service, ten years after the September 11 attacks the US government still lacks a concise definition for "homeland security." So what does "homeland security" actually entail? That innocent question would stump the thirty federal agencies and groups who receive homeland security funding. RT's Meghan Lopez breaks it down for us.RT America LIVE http://rt.com/on-air/rt-america-air/Subscribe to RT America! http://www.youtube.com/subscription_center?add_user=RTAmericaLike us on Facebook http://www.facebook.com/RTAmericaFollow us on Twitter http://twitter.com/RT_America